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 simplicity, answers should be in all lower cased letters.

Category: JACKs 
Clue: Explaining why he lost the heavyweight championship to Gene Tunney, he said, "I forgot to duck"
jack dempsey

Category: NEW ZEALAND 
Clue: New Zealand leads the world in the production of this fruit also known as the Chinese gooseberry
kiwi fruit

Category: GO DIRECTLY TO YALE 
Clue: This late conservative columnist & Yale man's first book was 1951's "God and Man at Yale"

william f. buckley, jr.