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

Example Input: Cassandra, Grizabella and Skimbleshanks are all characters in which Andrew Lloyd Webber musical?
Example Output: andrew lloyd webber

Example Input: Which English Leicester-born boxer fought Marvin Hagler in 1983 for the WBC and WBA World Middleweight titles and lost by a technical knockout in the sixth round?
Example Output: boxing

Example Input: What is the name of the Dutch speaking northern region of Belgium containing approximately half of the country's population?
Example Output:
belgium