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: THE KING IS DEAD 
Clue: On Sept. 9, 1087 this Norman stopped stormin' after being thrown from his horse at the Battle of Mantes
william the conqueror

Category: WOMEN WRITERS 
Clue: A Pulitzer Prize-winning journalist, her "Black and Blue" was selected for Oprah's Book Club in 1998
anna quindlen

Category: INITIALS M.D. 
Clue: He won an Oscar as co-writer of "Good Will Hunting"

matt damon