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

Example Input: Austin is the state capitol of which US State?
Example Output: austin, texas

Example Input: Who has written a series of novels, entitled The Dark Tower, of which the first, in 1982, was entitled, The Gunslinger?
Example Output: the dark tower

Example Input: Which band released the album All The Right Reasons in 2005?
Example Output:
all the right reasons