Please answer this: The answer to the question: What is the full name of the vocalist who SR replaced with Lill-Babs? is inside the article: Most of Melodifestivalen's rules are dictated by those of the Eurovision Song Contest.  However, regulations have been introduced by the Swedish broadcasters. The competition's official rules are released by SVT early in preparation for each year's Melodifestival, to ensure any changes are noted by songwriters and performers. There was a limit of six people on stage for each performance. This included the Melodifestivalen choir (huskören, literally "the house choir"), a five-person group of flexible backing singers used by most participants. Artists could use some or all of the back-up singers, or use their own group. All vocals had to be completely live; human voices were not allowed on backing tracks. However, from 2009, the number of performers allowed on stage was eight, and voices were allowed on backing tracks. A live orchestra was used every year from the event's debut to 2000, except 1985 and 1986. Two orchestras were used between 1960 and 1963, a large orchestra and Göte Wilhelmsons kvartett, a jazz quartet. Since 2001, participants have performed to backing tracks. Entries cannot be publicly broadcast until the semi-finals are previewed on radio. Entries eliminated in the semi-finals may be broadcast as soon as the semi-final has finished. An embargo is placed on songs that qualify for the later rounds until the previews for the Second Chance are broadcast. After this, restrictions on the broadcast of contestant songs are lifted.Broadcasters sometimes make sweeping changes to winning songs before they go to Eurovision. For example, at Melodifestivalen 1961, Siw Malmkvist won with "April, April". Performing after her victory, she stumbled on the lyrics of the song and laughed out loud. The press criticised this as childish. SR replaced her with Lill-Babs for the Eurovision Song Contest. The 1987 winner "Fyra bugg och en Coca Cola", performed by Lotta Engberg, is another example; the song's title was changed to "Boogaloo" for Eurovision, as use of a brand name was against the Contest's rules. This..., can you guess it ?
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Answer: Siw Malmkvist

Problem: The answer to the question: What system pairs the eight songs off against each other? is inside the article: Prior to the introduction of the current format of semifinals (deltävlingar) in 2002, the competition was usually a single live show. Under the current system, four semifinals are broadcast at 20:00 CET on consecutive Saturday nights. The semi-finals begin in early February, and seven songs compete in each show. Unlike in the final, no juries are used; televoting decides the results. The songs are performed live with telephone lines open for the first round of voting; two songs with the fewest votes do not qualify to the second round. The top five battle for a place in the final and Andra chansen round – the 1st and 2nd placed songs qualifying to the final, and the 3rd and 4th placed songs progressing to Andra chansen. Both finalists reprise their entries at the end of the broadcast. The organisation of a semi-final system for Melodifestivalen popularised televised heats at national Eurovision selections. A similar system was adopted by the Eurovision itself in 2004. The Second Chance round (Andra chansen) is the fifth heat in which the remaining four entries to the final are chosen. The third- and fourth-placed songs from each semi-final (eight songs in total) compete in the event. The first Second Chance round in 2002 had a panel of former winners decide the two finalists. Between 2003 and 2006, the semi-final performances were re-broadcast, and a round of voting narrowed the songs to three or four. Another round then determined the two finalists. The programme was broadcast on the Sunday afternoon after the fourth semi-final. It was held in a smaller venue than those that would have hosted the semi-finals—such as Berns Salonger in Stockholm, which hosted the Second Chance round in 2005. In 2007, the Second Chance round became a full semi-final, taking place in a venue comparable in size to those hosting the others. The expanded Second Chance takes place on a Saturday night, adding an extra week to the event's timetable. The format of voting also changed with the introduction of a knock-out system. The..., can you guess it ?

A: a knock-out system

Problem: Given the question: The answer to the question: What is the last name of the person who portrayed the leading men of his day? is inside the article: James Barton Longacre (August 11, 1794 – January 1, 1869) was an American portraitist and engraver, and the fourth Chief Engraver of the United States Mint from 1844 until his death. Longacre is best known for designing the Indian Head cent, which entered commerce in 1859, and for the designs of the Shield nickel, Flying Eagle cent and other coins of the mid-19th century. Longacre was born in Delaware County, Pennsylvania, in 1794. He ran away to Philadelphia at age 12, where he became an apprentice in a bookstore. His artistic talent developed and he was released to apprentice in an engraving firm.  He struck out on his own in 1819, making a name providing illustrations for popular biographical books. He portrayed the leading men of his day; support from some of them, such as South Carolina Senator John C. Calhoun, led to his appointment as chief engraver after the death of Christian Gobrecht in 1844. In Longacre's first years as a chief engraver, the Philadelphia Mint was dominated by Mint Director Robert M. Patterson and Chief Coiner Franklin Peale. Conflict between Longacre and the two men developed after Congress ordered a new gold dollar and double eagle, with both to be designed by Longacre.  Peale and Patterson nearly had Longacre fired, but the chief engraver was able to convince Treasury Secretary William M. Meredith that he should be retained.  Both Patterson and Peale left the Mint in the early 1850s, ending the conflict. In 1856, Longacre designed the Flying Eagle cent. When that design proved difficult to strike, Longacre was responsible for the replacement, the Indian Head cent, issued beginning in 1859. Other coins designed by Longacre include the silver and nickel three-cent pieces, the Shield nickel, the pattern Washington nickel, and the two-cent piece.  In 1866–1867, he redesigned the coins of Chile. Longacre died suddenly on New Year's Day 1869; he was succeeded by William Barber.  Longacre's coins are generally well-regarded today, although they have been criticized for lack of artistic..., can you guess it ?
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The answer is:
Longacre

Q: The answer to the question: Who does the drifter have a sweetly burgeoning relationship with? is inside the article: Zac is a lonely, highly strung city trader on the edge of a psychological breakdown. He has lost everything—his job, his girlfriend Eva (Sophia Di Martino from "Flowers") and, most devastatingly, his weird and wayward younger sister Alice, the only family he had left. Alice is now a missing person, having disappeared on a narrow boat trip along with her kindred drifter and boyfriend Toby. Zac becomes increasingly frustrated with the futile attempts of the police to find them and, eventually, decides to take matters into his own inexpert hands by starting a terribly executed video blog and scouring the dark canals of the UK in a desperate, perhaps even deluded search for clues. Struggling for information and fast losing hope, Zac reflects on his past and the difficult relationship he had with Alice. Wracked with guilt and regret, his sanity starts to unravel as he fights with memories of her in the weeks leading up to her disappearance. As he remembers her sweetly burgeoning relationship with the mysterious Toby, however, he begins to wonder if there may in fact be a grander, wilder, much stranger explanation for their disappearance., can you guess it ?
A:
Alice