Question: What is the date of death of the director of film Vayanadan Thamban?
Sentence (from "Vayanadan Thamban"): Vayanadan Thamban is a 1978 Malayalam-language Indian horror film directed by A. Vincent and produced by S. Hariharan a Director of Radio Advertising Services, starring Kamal Haasan and Latha in lead roles.
Relevant evidence: Yes