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

Example Input: Eddie Jones was appointed head coach of which English sporting team in 2015?
Example Output: eddie jones

Example Input: Krist Novoselic and Dave Grohl were two thirds of which band, formed in Aberdeen (Washington State) whose albums include Bleach and In Utero?
Example Output: dave grohl

Example Input: What principal Dickens character wears a wedding dress throughout her appearance in the novel?
Example Output:
charles dickens