Question: What is the date of birth of the composer of film Mackenna'S Gold?
Sentence (from "Mackenna's Gold"): Mackenna's Gold is a 1969 American western film directed by J. Lee Thompson, starring an ensemble cast featuring Gregory Peck, Omar Sharif, Telly Savalas, Ted Cassidy, Camilla Sparv and Julie Newmar in lead roles.
Relevant evidence: No