TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Who played the character Gene Hunt in the UK TV series 'Life on Mars' and 'Ashes to Ashes'?

SOLUTION: life on mars

PROBLEM: Charles Bingley was a character in what classic Jane Austen novel?

SOLUTION: charles bingley

PROBLEM: Andrea Jaeger of the US had a successful career in professional tennis, becoming World Ranked number 2, between the ages of 15 and 19, but it ended prematurely due to major shoulder injuries. What profession did she take up in 2006?

SOLUTION:
andrea jaeger