Question: What is the date of death of the director of film Kannan En Kadhalan?
Sentence (from "Kannan En Kadhalan"): Kadhalan  is a 1968 Indian Tamil-language film, directed by P. Neelakantan, starring M. G. Ramachandran in the lead role and Jayalalithaa with Vanisree, S. A. Asokan and Cho Ramaswamy, among others.
Relevant evidence: Yes