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

[Q]: Which Union leader of the American Civil War gave his name to a tree in California's 'Sequoia National Park'?
[A]: american civil war


[Q]: According to the bible, Zaccariah was the father of which New Testament figure?
[A]: bible


[Q]: In the book 'Call For The Dead', who is described as a 'short, fat man with a quiet disposition'?
[A]:
call for the dead