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

Example Input: Manchild and Buffalo Stance were hits for which singer?
Example Output: manchild

Example Input: Responsible for such films as 'Saving Private Ryan' and 'Gladiator', which film Production Company was founded by Steven Spielberg, Jeffrey Katzenberg and David Geffen in 1994?
Example Output: saving private ryan

Example Input: 'Stormbreaker' is the first in a series of novels by Anthony Horowitz about which teenage spy?
Example Output:
stormbreaker