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

[EX Q]: Barabas is the central character in what 16th century play?
[EX A]: barabas

[EX Q]: What is the Army equivalent to a Group Captain in the R.A.F.?
[EX A]: british army

[EX Q]: Which ex heavyweight boxing champion's last ever fight took place on November 22nd 1998 and ended in a defeat by American Shannon Briggs in Atlantic City?
[EX A]:
boxing