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: ART & ARTISTS 
Clue: An X-ray of his "Blue Boy" has revealed the figure of a small dog that was painted out
[EX A]: thomas gainsborough

[EX Q]: Category: THE NEW YORK TIMES OP-ED PAGE 
Clue: His 2005 farewell column said, "Never retire!"; he kept his Sunday magazine language column
[EX A]: william safire

[EX Q]: Category: WHEN LIFE GIVES YOU LEMONS 
Clue: Cook up a sauce for chicken or fish with lemon & these small, dried pickled buds
[EX A]:
capers