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 consistency, answers should be in all lower cased letters.

Ex Input:
Category: BIG CITY LIFE 
Clue: The beginning of this regulation of land & building use dates from a 1916 New York City ordinance

Ex Output:
zoning


Ex Input:
Category: WEIGHTS & MEASURES 
Clue: Number of teaspoons in a tablespoon

Ex Output:
3


Ex Input:
Category: APPROBATION 
Clue: In 1982 Lenny Skutnick rescued a passenger on a crashed 737 from this D.C. river

Ex Output:

potomac