TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: What was the name of Chuck Berry's 1972 hit which gave him his first number one?

SOLUTION: chuck berry

PROBLEM: With what sport is Dennis Compton associated?

SOLUTION: denis compton

PROBLEM: Camelot in 1960 was the last Broadway musical of which famous duo?

SOLUTION:
camelot