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.

[Q]: Category: HORSE RACING 
Clue: In 1711 Queen Anne saw the potential for this racecourse; its royal enclosure still has a formal dress code
[A]: ascot


[Q]: Category: WHADDYA DRINKIN'? 
Clue: A Greyhound is vodka & this tart juice
[A]: grapefruit juice


[Q]: Category: 21st CENTURY POLITICAL QUOTES 
Clue: Regarding the attacks on his son: "If Barbara gets her hands on John Kerry, he might get another purple heart"
[A]:
george herbert walker bush