TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which Noble prize-winning novelist is best known for 'And Quiet Flows the Don?

SOLUTION: and quiet flows the don

PROBLEM: The 1987 film 'Roxanne' was adapted by actor Steve Martin from which Edmond Rostand play?

SOLUTION: roxanne

PROBLEM: Travis Barker plays which instrument in the band Blink 182?

SOLUTION:
travis barker