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

Example Input: The towns od Grimsby and Cleethorpes are in which English county?
Example Output: grimsby

Example Input: Which Dutchman managed both Newcastle and Chelsea in the 1990s?
Example Output: chelsea f.c.

Example Input: A 1969 American western film that tells the story of two bank robbers is Butch Cassidy and the ... what ... Kid?
Example Output:
butch cassidy