Question: What is the date of death of the director of film Velutha Kathreena?
Sentence (from "Velutha Kathreena"): Velutha Kathreena is a 1968 Indian Malayalam film, directed by J. Sasikumar and produced by P. Balthasar, based on the famous novel of the same name, written by Muttathu Varkey.
Relevant evidence: Yes