Problem: Information:  - King Godfred ( ruled from 804 or earlier until 810 ) was a Danish king during the Viking era . Gudfred was the younger son of King Sigfred . Alternate spelling include Gudfred , Göttrick ( German ) , Gøtrik ( Danish ) , Gudrød ( Danish ) , and Godofredus ( Latin ) .  - Denmark is a Scandinavian country in Europe. The southernmost and smallest of the Nordic countries, it is south-west of Sweden and south of Norway, and bordered to the south by Germany. The Kingdom of Denmark is the sovereign state that comprises Denmark proper and two autonomous constituent countries in the North Atlantic Ocean: the Faroe Islands and Greenland. Denmark has a total area of , and a population of 5.7 million. The country consists of a peninsula, Jutland, and an archipelago of 443 named islands, with the largest being Zealand and Funen. The islands are characterised by flat, arable land and sandy coasts, low elevation and a temperate climate.  - Sigfred also called Sigurd Hring was possibly the second official king of Denmark whose reign started no later than the 770s and ended around 800. The precise dates remains unknown. He was most likely the father of Gudfred, who later reigned as king of Denmark.     Given the information, choose the subject and object entities that have the relation of 'date of birth'.

A: gudfred , 800


Problem: Information:  - "Sweet Home Alabama" is a song by Southern rock band Lynyrd Skynyrd that first appeared in 1974 on their second album, "Second Helping".  - Lynyrd Skynyrd (pronounced ) is an American rock band best known for popularizing the Southern rock genre during the 1970s. Originally formed in 1964 as "My Backyard" in Jacksonville, Florida, the band was also known by names such as "The Noble Five" and "One Percent", before finally deciding on "Lynyrd Skynyrd" in 1969. The band gained worldwide recognition for its live performances and signature songs "Sweet Home Alabama" and "Free Bird". At the peak of their success, three members died in an airplane crash in 1977, putting an abrupt end to the band's most popular incarnation. The band has sold 28 million albums in the United States.  - Southern rock is a subgenre of rock music and a genre of Americana. It developed in the Southern United States from rock and roll, country music, and blues, and is focused generally on electric guitar and vocals. Although the origin of the term Southern rock is unknown, "many people feel that these important contributors to the development of rock and roll have been minimized in rock's history."  - `` Free Bird '' , or `` Freebird '' , is a power ballad by the American rock band Lynyrd Skynyrd . The song was first featured on the band 's debut album in 1973 and has been included on subsequent albums released by the band , including the previously unreleased , unfaded - ending version of the original recording ( featured on Skynyrd 's Innyrds ) . Amazon.com music reviewer Lorry Fleming calls it `` the most - requested song in the history of rock music . '' Released as a single in November 1974 , `` Free Bird '' bowed at No. 87 on the Billboard Hot 100 on November 23 and became the band 's second Top 40 hit in early 1975 , where it peaked at No. 19 . A live version of the song also reached the Billboard Hot 100 chart in 1977 , peaking at No. 38 . `` Free Bird '' also achieved the No. 3 spot on Guitar World 's 100 Greatest Guitar Solos . It is used as a finale by Lynyrd Skynyrd during their live performances and is their longest song , often going well over 14 minutes when played live . It is considered to be Lynyrd Skynyrd 's signature song .  - Skynyrd's Innyrds: Their Greatest Hits is the title of the 1989 Lynyrd Skynyrd greatest hits album. It was certified 5x platinum in July 2001 by the RIAA.  - Albums of recorded music were developed in the early 20th century, first as books of individual 78rpm records, then from 1948 as vinyl LP records played at  rpm. Vinyl LPs are still issued, though in the 21st century album sales have mostly focused on compact disc (CD) and MP3 formats. The audio cassette was a format used from the late 1970s through to the 1990s alongside vinyl.    Given the information, choose the subject and object entities that have the relation of 'genre'.

A:
free bird , southern rock