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.

[Q]: Category: TV SHOWS BY CHARACTER 
Clue: Erica Kane
[A]: all my children


[Q]: Category: MATHLETES 
Clue: John Nash has a beautiful mind that contributed to this "theory" of strategic decision making
[A]: game theory


[Q]: Category: STING 
Clue: In 1998 Britain's RSPCA helped foil crooks trying to sell this animal's horn, thought in Asia to be an aphrodisiac
[A]:
rhinoceros