instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Richard Block and David Quayle founded which British-based DIY retailing company in 1969?
answer:
david quayle

question:
Denzil Washington played which black militant leader in the 1992 film of the same name?
answer:
denzel washington

question:
Which American author wrote the book The Catcher In The Rye in 1951 ?
answer:
the catcher in the rye