Question: When did the director of film The Blood Demon die?
Sentence (from "The Blood Demon"): The Blood Demon (Die Schlangengrube und das Pendel in West Germany), also known as The Torture Chamber of Dr. Sadism, The Snake Pit and the Pendulum, and Castle of the Walking Dead, is a 1967 West German horror film directed by Harald Reinl and starring Christopher Lee, Karin Dor, and Lex Barker.
Relevant evidence: Yes