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.

[EX Q]: Category: HOLLYWOOD 
Clue: He came back as a kinder, gentler cyborg in 1991's "Terminator 2"
[EX A]: arnold schwarzenegger

[EX Q]: Category: IT'S A GROUP THING 
Clue: (Sarah of the Clue Crew reports from Sea World in San Diego)  It's a term for a stable group of killer whales, so you could say "as alike as two whales in" one of these
[EX A]: a pod

[EX Q]: Category: PEOPLE IN HISTORY 
Clue: This young man put his savings into a small Cleveland refinery in 1862 & eventually had an oil monopoly
[EX A]:
john d. rockefeller