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 boxer James Braddock in the 2005 biopic Cinderella Man?

SOLUTION: james j. braddock

PROBLEM: What name is given to the murder of 7 people as part of a Prohibition Era conflict between the South Side Italian gang led by Al Capone and the North Side Irish gang led by Bugs Moran in Chicago, Illinois, in 1929?

SOLUTION: bugs moran

PROBLEM: Of which king was Eleanor of Castile queen?

SOLUTION:
eleanor of castile