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.

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
the communists

Category: HISTORIC NAMES 
Clue: In 1487 Pope Innocent VIII appointed him grand inquisitor for all of Spain
tomas de torquemada

Category: PEOPLE WITH MUPPET NAMES 
Clue: This "grouchy" librettist won a 1950 Pulitzer for his work on "South Pacific"

oscar