Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Ewart was the middle name of which British Prime Minister?

Answer: prime minister of the united kingdom


Question: Carpo and Elara are moons of which planet?

Answer: elara


Question: Which director won the 'Oscar' for best Director for the picture 'A Beautiful Mind' in 2001?

Answer:
saturn award for best director