Question: When did the composer of film Guru Sishyulu (1981 Film) die?
Sentence (from "K. V. Mahadevan"): , Mahadevan scored music for over six hundred feature films, spanning four decades, and has garnered two National Film Awards, the Tamil Nadu State Film Award for Best Music Director, three Nandi Awards for Best Music Director, and the Filmfare Best Music Director Award
Relevant evidence: No