TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Come Clean was the debut album by which 2000s band?

SOLUTION: come clean

PROBLEM: What city is closest to Copacabana beach?

SOLUTION: copacabana, rio de janeiro

PROBLEM: Which French village is known for its exceptionally dense collection of megalithic standing stones that were hewn from local rock and erected by the pre-Celtic people of Brittany?

SOLUTION:
brittany