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: PRESIDENTIAL LIBRARIES 
Clue: Opened in 1971, his presidential library is the farthest south
[A]: lyndon johnson


[Q]: Category: POLITICAL CAMPAIGNS 
Clue: This man's successful 2001 campaign was the most expensive non-presidential campaign in history
[A]: michael bloomberg


[Q]: Category: THE MOONS OF URANUS 
Clue: Pixie Chasma & Sprite Vallis are features on this moon of Uranus named for a character in "The Tempest"
[A]:
ariel