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 simplicity, answers should be in all lower cased letters.
PROBLEM: Category: TV DRAMAS BY EPISODE 
Clue: "Waterloo at Southfork"

SOLUTION: dallas

PROBLEM: Category: FICTIONAL MOVIE BANDS 
Clue: This film features the Soggy Bottom Boys, fronted by George Clooney

SOLUTION: o brother, where art thou?

PROBLEM: Category: PAPAL BULLS 
Clue: John XXIII's bull of December 25, 1961 summoned the second of these

SOLUTION:
the vatican council