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

With what sport is Dennis Compton associated?
denis compton

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

Who became chair of Joint Chiefs of Staff in 1989?

chairman of the joint chiefs of staff