Question: What is the date of death of the composer of film Paartha Gnabagam Illayo (Film)?
Sentence (from "M. S. Viswanathan"): Manayangath Subramanian Viswanathan (24 June 1928 – 14 July 2015), also known as M.S.V., was an Indian music director, composer, and singer.
Relevant evidence: Yes