Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: Which Best Picture nominated movie tells the story of US soldier, 'Chris' Kyle?

A: chris kyle
****
Q: What was the title of Britney Spears' second album (and the single that was released from it)?

A: britney spears
****
Q: What was Disney's first non animated live action film?

A:
the walt disney company
****