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.

Category: WEIGHTS & MEASURES 
Clue: Number of teaspoons in a tablespoon
3

Category: FUNDRAISING 
Clue: Chilly alliterative term for phoning someone to ask for money without any prior notice
cold call

Category: GAMES 
Clue: Pepys reported his wife & her friends played this game known as "Blind Fly" in Italy & "Blind Buck" in Sweden

blind man\'s bluff