instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
question:
Category: "C" WORLD 
Clue: (Cheryl of the Clue Crew in Berlin)  The Nazis blamed the 1933 Reichstag fire on this political group that may well have set it themselves
answer:
the communists


question:
Category: STATS FREAK 
Clue: Wilt Chamberlain & this '60s Celtic are the only NBAers to average more than 20 rebounds per game
answer:
bill russell


question:
Category: CATCHING SOME "Z"s 
Clue: Johnston McCulley's novel "The Curse of Capistrano" gave us this character a.k.a. Don Diego
answer:

zorro