TASK DEFINITION: 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.
PROBLEM: Category: THE U.S. CONGRESS 
Clue: Frustrated with his own political party, in 2001 this senator from Vermont switched to indepedent

SOLUTION: jeffords

PROBLEM: Category: BEFORE & AFTER 
Clue: The one-time flying nun who lands on a magical baseball diamond on your farm

SOLUTION: sally field of dreams

PROBLEM: Category: REAL PEOPLE ON FILM 
Clue: In "All the President's Men", Hal Holbrook played the secret informant dubbed this

SOLUTION:
deep throat