Question: What is the date of death of the director of film Oru Raagam Pala Thaalam?
Sentence (from "Oru Raagam Pala Thaalam"): Oru Raagam Pala Thaalam is a 1979 Indian Malayalam-language film, directed by M. Krishnan Nair and produced by Srividya and George Thomas.
Relevant evidence: Yes