question: What nationality is the performer of song Dear Sing Sing?
context: [["Robert J. Kirby", ["Robert John Kirby (October 20, 1889 \u2013 January 15, 1944) was the Warden of Sing Sing prison from 1941 until 1944.", "Highly regarded for his integrity, Kirby brought respect back to the administration of Sing Sing, and order to the prison after the often controversial tenure of Lewis Lawes."]], ["Charles Davis (warden)", ["Charles Davis of Broome, New York was the Warden of Sing Sing in 1878."]], ["Billy Murray (singer)", ["William Thomas \"Billy\" Murray (May 25, 1877 \u2013 August 17, 1954) was one of the most popular singers in the United States in the early 20th century.", "While he received star billing in vaudeville, he was best known for his prolific work in the recording studio, making records for almost every record label of the era."]], ["Bernie Bonvoisin", ["Bernard Bonvoisin, known as Bernie Bonvoisin( born 9 July 1956 in Nanterre, Hauts- de- Seine), is a French hard rock singer and film director.", "He is best known for having been the singer of Trust.", "He was one of the best friends of Bon Scott the singer of AC/ DC and together they recorded the song\" Ride On\" which was one of the last songs by Bon Scott."]], ["Caspar Babypants", ["Caspar Babypants is the stage name of children's music artist Chris Ballew, who is also widely known as the singer of The Presidents of the United States of America."]], ["(I'm Gonna) Sing, Sing, Sing", ["\"( I'm Gonna)", "Sing, Sing, Sing\" is a hymn written by Hank Williams.", "He performed it as part of a radio show for Mother's Best Flour in Nashville from January to March 1951.", "MGM released the song as a posthumous single in 1954 with\" Angel of Death\" as the B-side.", "The A- side was recorded as a demo sometime in 1950."]], ["Dear Sing Sing", ["Dear Sing Sing is a popular song, words by William Jerome, music by Jean Schwartz, first published in 1903.", "A popular singer of the time named Billy Murray recorded at least two versions in 1904, one for Edison Records and another for Victor Records.", "Both of these recordings are now public domain, and can be downloaded at several websites."]], ["Kristian Leontiou", ["Kristian Leontiou (born February 1982) is a British singer of Greek Cypriot descent, and is the singer for the indie rock band One eskimO."]], ["O Valencia!", ["\" O Valencia!\" is the fifth single by the indie rock band", "The Decemberists, and the first released from their fourth studio album,\" The Crane Wife\".", "The music was written by The Decemberists and the lyrics by Colin Meloy.", "It tells a story of two star- crossed lovers.", "The singer falls in love with a person who belongs to an opposing gang.", "At the end of the song, the singer's lover jumps in to defend the singer, who is confronting his lover's brother( the singer's\" sworn enemy\") and is killed by the bullet intended for the singer."]], ["Billy Milano", ["Billy Milano is a Bronx- born heavy metal musician now based in Austin, Texas.", "He is the singer and- occasionally- guitarist and bassist of crossover thrash band M.O.D., and he was also the singer of its predecessor, Stormtroopers of Death.", "He was also the singer of United Forces, which also featured his Stormtroopers of Death bandmate Dan Lilker."]]]
supporting_facts: [["Dear Sing Sing", 1], ["Billy Murray (singer)", 0]]
evidences: [["Dear Sing Sing", "performer", "Billy Murray"], ["Billy Murray", "country of citizenship", "United States"]]
answer: United States