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.

Category: AMERICAN WRITERS 
Clue: This author of "The Joy Luck Club" was born in California shortly after her parents immigrated to the U.S.
amy tan

Category: IT'S A BYRD 
Clue: Unusual middle name of Richard E. Byrd, it's also the first name of the author of "Brideshead Revisited"
evelyn

Category: THE MOVIES 
Clue: Maggie Gyllenhaal took over the role of Rachel Dawes in this 2008 Batman film

the dark knight