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: SPORTING EVENTS 
Clue: The cup presented since 1887 to the man who wins this is inscribed "single handed champion of the world"
answer:
wimbledon


question:
Category: CONTEMPORARY AMERICANS 
Clue: In December 1996 his reference to "Irrational Exuberance" sent stock prices plunging around the world
answer:
alan greenspan


question:
Category: 20th CENTURY VICE PRESIDENTS 
Clue: Aptly, his middle name contained the word "rich"
answer:

nelson aldrich rockefeller