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: OIL PAINTING 
Clue: This painting surface may be linen or cotton & is placed on a frame called a stretcher
[A]: canvas


[Q]: Category: PEN NAMES 
Clue: He contributed to the Columbia Review under the name Jean-Louis Incogniteau, perhaps while he was "On the Road"
[A]: jack kerouac


[Q]: Category: WILLIAM & MARY 
Clue: In his diary he wrote about the couple as children, calling William "very pretty" & Mary "a fine dancer"
[A]:
samuel pepys