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: MOZART & FRIENDS 
Clue: Mozart wrote a lovely motet for Venanzio Rauzzini, one of these specially treated singers
answer:
a castrato


question:
Category: MATHLETES 
Clue: John Nash has a beautiful mind that contributed to this "theory" of strategic decision making
answer:
game theory


question:
Category: OFF TO A GOOD START 
Clue: In a business project, it's the level investors try to "get in on"
answer:

the ground floor