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 singer played Billie Holiday in the 1972 film `Lady Sings The Blues`?

SOLUTION: lady sings the blues

PROBLEM: Which US state was the title of a no. 1 hit for the Bee Gees in 1967?

SOLUTION: bee gees

PROBLEM: Which band had a hit in the 1980s with the single Broken Wings?

SOLUTION:
broken wings