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.

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


[Q]: Category: INNOVATORS 
Clue: Mr. Alter, who designed a type of catamaran or "cat", goes by this first name
[A]: hobie


[Q]: Category: HIDDEN COUNTRIES 
Clue: You could often hear Soviet names in this nation
[A]:
vietnam