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: Which Noble prize-winning novelist is best known for 'And Quiet Flows the Don?

Answer: and quiet flows the don


Question: Which Bob Dylan song begins You got a lotta nerveTo say you are my friend. When I was down, You just stood there grinning?

Answer: bob dylan


Question: Who was British Prime Minister between Winston Churchill's two terms in office?

Answer:
prime minister of the united kingdom