question: Who is the child of the composer of film Machi (Film)?
context: [["Henri Verdun", ["Henri Verdun( 1895\u20131977) was a French composer of film scores."]], ["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."]], ["Abe Meyer", ["Abe Meyer( 1901 \u2013 1969) was an American composer of film scores."]], ["Machi (film)", ["Machi (English: \"Dude\") is a 2004 Tamil action film directed by K. S. Vasantha Kumar.", "The film features Dushyanth and Shubha Poonja in lead roles, with Pasupathy, Bhanu Chander, Sulakshana, S. R. Prakash, Sathish, Ranjan and V. Sankar playing supporting roles.", "The film, produced by S. K. Krishnakanth, had musical score by A. R. Reihana and was released on 25 June 2004."]], ["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."]], ["Walter Ulfig", ["Walter Ulfig was a German composer of film scores."]], ["Amedeo Escobar", ["Amedeo Escobar( 1888\u20131973) was an Italian composer of film scores."]], ["A. R. Reihana", ["Reihana (also known as Rayhanah) is a playback singer and film composer for films in India.", "However, she is more widely known as elder sister to A. R. Rahman among three sisters and mother of G. V. Prakash Kumar and Bhavani Sree.", "She collaborated with Rahman on a song for the score of the award-winning \"Kannathil Muthamittal \"in 2002.", "The most recent song she has sung is Saarattu Vandiyila from \"Kaatru Veliyidai\".", "She also sang the most controversial song from the movie \"Chocolate\"", "She is the brand ambassador of Raindropss, a youth-based social organization."]], ["Bert Grund", ["Bert Grund( 1920\u20131992) was a German composer of film scores."]], ["Thomas Morse", ["Thomas Morse( born June 30, 1968) is an American composer of film and concert music."]]]
supporting_facts: [["Machi (film)", 2], ["A. R. Reihana", 1]]
evidences: [["Machi", "composer", "A. R. Reihana"], ["A. R. Reihana", "child", "G. V. Prakash Kumar"]]
answer: G. V. Prakash Kumar