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: BASEBALL NICKNAMES 
Clue: Hall of Famer "Eck"
[EX A]: dennis eckersley

[EX Q]: Category: FILM FACTS 
Clue: Johannesburg-born actress Janet Suzman was nominated for an Oscar for her 1971 portrayal of this czarina
[EX A]: alexandra

[EX Q]: Category: SCIENCE & TECHNOLOGY 
Clue: The tokamak, this type of nuclear reactor, uses plasma heated to 180 million degrees as fuel
[EX A]:
fusion