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 Casanova's occupation at the time of is death?

SOLUTION: giacomo casanova

PROBLEM: Who did boxer Floyd Patterson defeat to regain the Heavyweight Championship in June 1960?

SOLUTION: boxing

PROBLEM: What song was a hit for Tom Jones and Cerys Matthews in 1999?

SOLUTION:
tom jones