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.

[Q]: Category: BESTSELLERS 
Clue: "Gettysburg", cowritten by this former House speaker, imagines a Confederate victory at Gettysburg
[A]: newt gingrich


[Q]: Category: PLACES FOR ANIMALS 
Clue: This word refers to extreme opposites or a type of bear
[A]: polar


[Q]: Category: DAUGHTERS OF THE AMERICAN REVOLUTION 
Clue: Cornelia, daughter of Gen. Nathanael Greene, was conceived while he was billeted at this cold Penn. site
[A]:
valley forge