question: Which country the composer of film Thunder On The Hill is from?
context: [["Walter Ulfig", ["Walter Ulfig was a German composer of film scores."]], ["Abe Meyer", ["Abe Meyer( 1901 \u2013 1969) was an American composer of film scores."]], ["Thunder on the Hill", ["Thunder on the Hill is a 1951 American film noir crime film directed by Douglas Sirk and starring Claudette Colbert and Ann Blyth with Robert Douglas, Gladys Cooper, Michael Pate, John Abbott and Norma Varden.", "The picture was made by Universal Pictures and produced by Michael Kraike from a screenplay by Oscar Saul and Andrew Solt, based on the play \"Bonaventure\" by Charlotte Hastings.", "The music score was by Hans J. Salter and the cinematography by William H. Daniels."]], ["Amedeo Escobar", ["Amedeo Escobar( 1888\u20131973) was an Italian composer of film scores."]], ["Bert Grund", ["Bert Grund( 1920\u20131992) was a German composer of film scores."]], ["Hans J. Salter", ["Hans J. Salter (January 14, 1896 in Lviv \u2013 July 23, 1994 in Studio City, Cal.) was an Austrian-American film composer."]], ["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."]], ["Thomas Morse", ["Thomas Morse( born June 30, 1968) is an American composer of film and concert music."]], ["Henri Verdun", ["Henri Verdun( 1895\u20131977) was a French composer of film scores."]], ["Tarcisio Fusco", ["Tarcisio Fusco was an Italian composer of film scores.", "He was the brother of the composer Giovanni Fusco and the uncle of operatic soprano Cecilia Fusco."]]]
supporting_facts: [["Thunder on the Hill", 2], ["Hans J. Salter", 0]]
evidences: [["Thunder on the Hill", "composer", "Hans J. Salter"], ["Hans J. Salter", "country of citizenship", "Austrian"]]
answer: Austrian