Question: What is the date of death of the director of film Sange Muzhangu?
Sentence (from "Sange Muzhangu"): Sange Muzhangu  is a 1972 Indian Tamil-language thriller film, directed by P. Neelakantan, starring M. G. Ramachandran in the lead role, with S. A. Ashokan, Lakshmi, Cho Ramaswamy, among others enacting supporting roles.
Relevant evidence: Yes