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.

Example Input: Category: BESTSELLERS 
Clue: "Gettysburg", cowritten by this former House speaker, imagines a Confederate victory at Gettysburg
Example Output: newt gingrich

Example Input: Category: ALPHABET SOUP 
Clue: What Bo Derek would have been in ancient Rome
Example Output: x

Example Input: Category: A SALUTE TO FLAGSTAFF 
Clue: Flagstaff, Arizona grew up around a flagpole erected to celebrate this event in 1876
Example Output:
the u.s. centennial