Problem: Given the question: This article: Saint Anthony Falls, the only waterfall of its height on the Mississippi, played an important part in the development of Minneapolis.  The power of the waterfall first fueled sawmills, but later it was tapped to serve flour mills.  In 1870, only a small number of flour mills were in the Minneapolis area, but by 1900 Minnesota mills were grinding 14.1% of the nation's grain.  Advances in transportation, milling technology, and water power combined to give Minneapolis a dominance in the milling industry.  Spring wheat could be sown in the spring and harvested in late summer, but it posed special problems for milling.  To get around these problems, Minneapolis millers made use of new technology.  They invented the middlings purifier, a device that used jets of air to remove the husks from the flour early in the milling process.  They also started using roller mills, as opposed to grindstones.  A series of rollers gradually broke down the kernels and integrated the gluten with the starch.  These improvements led to the production of "patent" flour, which commanded almost double the price of "bakers" or "clear" flour, which it replaced. Pillsbury and the Washburn-Crosby Company (a forerunner of General Mills) became the leaders in the Minneapolis milling industry.  This leadership in milling later declined as milling was no longer dependent on water power, but the dominance of the mills contributed greatly to the economy of Minneapolis and Minnesota, attracting people and money to the region. contains an answer for the question: What type of mills were grinding 14.1% of the nation's grain in Minnesota?, what is it ?
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The answer is:
flour mills


Problem: Given the question: This article: Kathleen Mary Ferrier, CBE (22 April 1912 – 8 October 1953) was an English contralto singer who achieved an international reputation as a stage, concert and recording artist, with a repertoire extending from folksong and popular ballads to the classical works of Bach, Brahms, Mahler and Elgar. Her death from cancer, at the height of her fame, was a shock to the musical world and particularly to the general public, which was kept in ignorance of the nature of her illness until after her death. The daughter of a Lancashire village schoolmaster, Ferrier showed early talent as a pianist, and won numerous amateur piano competitions while working as a telephonist with the General Post Office. She did not take up singing seriously until 1937, when after winning a prestigious singing competition at the Carlisle Festival she began to receive offers of professional engagements as a vocalist. Thereafter she took singing lessons, first with J.E. Hutchinson and later with Roy Henderson. After the outbreak of the Second World War Ferrier was recruited by the Council for the Encouragement of Music and the Arts (CEMA), and in the following years sang at concerts and recitals throughout the UK. In 1942 her career was boosted when she met the conductor Malcolm Sargent, who recommended her to the influential Ibbs and Tillett concert management agency. She became a regular performer at leading London and provincial venues, and made numerous BBC radio broadcasts. In 1946, Ferrier made her stage debut, in the Glyndebourne Festival premiere of Benjamin Britten's opera The Rape of Lucretia. A year later she made her first appearance as Orfeo in Gluck's Orfeo ed Euridice, a work with which she became particularly associated. By her own choice, these were her only two operatic roles. As her reputation grew, Ferrier formed close working relationships with major musical figures, including Britten, Sir John Barbirolli, Bruno Walter and the accompanist Gerald Moore. She became known internationally through her three tours to the United... contains an answer for the question: What is the last name of the person who did not take up singing seriously until 1937?, what is it ?
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The answer is:
Ferrier


Problem: Given the question: This article: Wood was born in Oxford Street, London, the only child of Henry Joseph Wood and his wife Martha, née Morris. Wood senior had started in his family's pawnbroking business, but by the time of his son's birth he was trading as a jeweller, optician and engineering modeller, much sought-after for his model engines. It was a musical household: Wood senior was an amateur cellist and sang as principal tenor in the choir of St Sepulchre-without-Newgate, known as "the musicians' church".   His wife played the piano and sang songs from her native Wales. They encouraged their son's interest in music, buying him a Broadwood piano, on which his mother gave him lessons. The young Wood also learned to play the violin and viola. Wood received little religious inspiration at St Sepulchre, but was deeply stirred by the playing of the resident organist, George Cooper, who allowed him into the organ loft and gave him his first lessons on the instrument. Cooper died when Wood was seven, and the boy took further lessons from Cooper's successor, Edwin M. Lott, for whom Wood had much less regard. At the age of ten, through the influence of one of his uncles, Wood made his first paid appearance as an organist at St Mary Aldermanbury, being paid half a crown.  In June 1883, visiting the Fisheries Exhibition at South Kensington with his father, Wood was invited to play the organ in one of the galleries, making a good enough impression to be engaged to give recitals at the exhibition building over the next three months. At this time in his life, painting was nearly as strong an interest as music, and he studied in his spare time at the Slade School of Fine Art. He remained a life-long amateur painter.After taking private lessons from the musicologist Ebenezer Prout, Wood entered the Royal Academy of Music at the age of seventeen, studying harmony and composition with Prout, organ with Charles Steggall, and piano with Walter Macfarren. It is not clear whether he was a member of Manuel Garcia's singing class, but it is certain that he... contains an answer for the question: What is the last name of the person who was given his first lessons on the organ by George Cooper?, what is it ?
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The answer is:
Wood