Question: When did the director of film Zanjeer (1973 Film) die?
Sentence (from "Zanjeer (1973 film)"): Zanjeer  is a 1973 Indian Hindi-language action film written by Salim-Javed (mostly by Salim Khan, with assistance from Javed Akhtar), directed and produced by Prakash Mehra, and starring Amitabh Bachchan, Jaya Bachchan, Pran, Ajit and Bindu.
Relevant evidence: Yes