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 Q]: Category: SPORTS SCORES 
Clue: In volleyball, only the side who did this at the beginning of play can score a point
[EX A]: serve

[EX Q]: Category: DOUBLE DOUBLE LETTERS 
Clue: A gathering at which Pete Seeger & Joan Baez, or an owl & a goat might sing
[EX A]: hootenanny

[EX Q]: Category: BASEBALL 
Clue: Under the 1879-80 rules, it took nine balls for this to happen
[EX A]:
a base on balls