Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[Q]: Denzil Washington played which black militant leader in the 1992 film of the same name?
[A]: denzel washington

[Q]: Who is the only British Prime Minister to serve under 3 monarchs?
[A]: prime minister of the united kingdom

[Q]: The 'Arrival of the Queen of Sheba' comes from which Handel oratorio?
[A]:
arrival of the queen of sheba