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

Example Input: July 1938 saw the first ascent of the North Face of which Alpine mountain?
Example Output: alps

Example Input: What is the French name for the English Channel?
Example Output: channel

Example Input: What film about racial prejudice in the USA by Clarence Brown, from a novel by William Faulkner, involved a black boy, a white boy and an old woman assisting a black man accused of murder?
Example Output:
william faulkner