Question: When did the director of film Pidugu Ramudu die?
Sentence (from "Pidugu Ramudu"): Pigudu Ramudu (Thunder Rama) is a 1966 Indian Telugu-language swashbuckling fantasy film, produced by D. V. S. Raju under the D.V.S. Productions banner and directed by B. Vittalacharya.
Relevant evidence: Yes