question: Who is the father of the composer of song Ett Gammalt Fult Och Elakt Troll Det Var En Gång?
context: [["Ett gammalt fult och elakt troll det var en g\u00e5ng", ["\"Ett gammalt fult och elakt troll det var en g\u00e5ng\" known also for the shorter title \"Det var en g\u00e5ng\" (meaning \"Once upon a time\") is a traditional Swedish children's song, with music and lyrics by Felix K\u00f6rling.", "Using references to several geographical locations, the song lyrics describe a troll, his wife and cat arriving to Sweden.", "The song was first published in the collection \"Misse-M\u00e5ns och andra visor\" in 1918.", "An early recording of the song was made by M\u00e4rta Ekstr\u00f6m, with Otto Nordlund accompanying on the piano was performed on December 16, 1929, and released on a single in December 1930, entitled \"Det var en g\u00e5ng\" alongside the song \"", "Precis som", "i sagan\" again composed by Felix K\u00f6rling.", "More recently, the song was recorded by Peter Himmelstrand and released in 1978.", "Ingeborg (Immi) Hell\u00e9n wrote lyrics in Finnish."]], ["Det var en yndig tid", ["\" Det var en yndig tid\"", "( It was a lovely time) was the Danish entry in the Eurovision Song Contest 1960, performed in Danish by Katy B\u00f8dtger.", "The song was performed fourth on the night, following Luxembourg's Camillo Felgen with\" So laang we's du do bast\" and preceding Belgium's Fud Leclerc with\" Mon amour pour toi\".", "At the close of voting, it had received 4 points, placing 10th in a field of 13.", "The song deals with the\" good old days\", describing them as a time when courting was much simpler.", "The description is of life\" in the king's old city\", which is never named but may have been Copenhagen, given the provenance of the song.", "It was succeeded as Danish representative at the 1961 Contest by Dario Campeotto with\" Angelique\"."]], ["Obata Toramori", ["He was the father of Obata Masamori."]], ["Lars Eliasson", ["He is the father of the later Member of Parliament Anna Eliasson."]], ["Yasuichi Oshima", ["He is the father of manga artist Towa Oshima."]], ["Det var en g\u00e5ng en f\u00e5gel", ["\" Det var en g\u00e5ng en f\u00e5gel\" is the debut single by Swedish band Laser Inc, which was released in 2007 by Warner Music Sweden.", "The song has peaked at number 6 on the Swedish singles chart."]], ["Carli Tornehave", ["Carli Tornehave, born 26 August 1932 in Stockholm, is a Swedish singer and actor.", "He has participated at Melodifestivalen six times; in 1962 he performed\" Anneli\" and\" N\u00e4r min v\u00e4n\", in 1963 he performed\" Twist till menuett\" and\" En g\u00e5ng i Stockholm\".", "The song\" En g\u00e5ng i Stockholm\" won the contest, but Monica Zetterlund was appointed to represent Sweden in the Eurovision Song Contest in London.", "In 1966, he performed\" Monte Carlo\" and\" H\u00e4rliga s\u00f6ndag\" ending on third and 8th place."]], ["Felix K\u00f6rling", ["John \"Felix\" August K\u00f6rling, born 17 December 1864, in Kristdala, Sweden, dead 8 January 1937 in Halmstad, Sweden, was a Swedish composer, church musician and music teacher.", "He was the brother of Sven K\u00f6rling, son of August K\u00f6rling and father of American photographer Torkel Korling.", "Felix K\u00f6rling also wrote children's songs."]], ["Alonso Mudarra", ["Alonso Mudarra( c. 1510 \u2013 April 1, 1580) was a Spanish composer of the Renaissance, and also played the vihuela, a guitar- shaped string instrument.", "He was an innovative composer of instrumental music as well as songs, and was the composer of the earliest surviving music for the guitar."]], ["Pydimarri Venkata Subba Rao", ["Pydimarri Venkata Subba Rao( June 10, 1916 \u2013 1988) was a Telugu author who is best remembered as the composer of the National Pledge of India."]]]
supporting_facts: [["Ett gammalt fult och elakt troll det var en g\u00e5ng", 0], ["Felix K\u00f6rling", 0]]
evidences: [["Ett gammalt fult och elakt troll det var en g\u00e5ng", "composer", "Felix K\u00f6rling"], ["Felix K\u00f6rling", "father", "August K\u00f6rling"]]
answer: August Körling