Question: What is the date of birth of Derek Mckeith's mother?
Sentence (from "Derek McKeith"): Born in New York City to William Morris agent Sam McKeith, who had helped guide the early careers of Stevie Wonder and Bruce Springsteen, and actress/producer Sheila Frazier, McKeith moved to Los Angeles with his mother, where he began his music career aspirations.
Relevant evidence: Yes