Question: When did the director of film Ambigai Neril Vanthaal die?
Sentence (from "Ambigai Neril Vanthaal"): Ambigai Neril Vanthaal  is a 1984 Tamil-language Indian feature film directed by Manivannan, starring Mohan, Radha, Urvashi and Ambika in lead roles.
Relevant evidence: Yes