instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Denzil Washington played which black militant leader in the 1992 film of the same name?
answer:
denzel washington


question:
Which former Blue Peter presenter died in April 2004, aged 41?
answer:
blue peter


question:
Bowie's mother appeared with him in the innovative video for which song?
answer:

bowie