Question: What is the birthdate of this American actor, director, screenwriter and producer best known for A Christmas Story and director of Black Christmas?
Sentence (from "Keir Dullea"): Keir Dullea ( ; born May 30, 1936) is an American actor best known for the character of astronaut David Bowman, whom he portrayed in the 1968 film "", and in 1984's "2010: The Year We Make Contact".
Relevant evidence: No