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.

[EX Q]: Category: ENTERTAINERS 
Clue: Lauren Bacall coined this name for a carousing group including Humphrey Bogart, Judy Garland & Frank Sinatra
[EX A]: \"the rat pack\"

[EX Q]: Category: BOOKISH 
Clue: Her novel "One Fifth Avenue" offers more sex in the same city
[EX A]: bushnell

[EX Q]: Category: THE 19th CENTURY 
Clue: 1853 purchase that brought the contiguous U.S. about up to its present area
[EX A]:
the gadsden purchase