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.
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Question: Category: SPORTS SCORES 
Clue: In volleyball, only the side who did this at the beginning of play can score a point

Answer: serve


Question: Category: HOME RUN SLUGGERS 
Clue: When he slugged 61 home runs in 1961, his batting average was only .269

Answer: roger maris


Question: Category: HISTORIC TWITS 
Clue: Vidkun Quisling, now a name synonymous with traitor, was made this country's prime minister by the Nazis

Answer:
norway