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: THE NAACP 
Clue: This future Supreme Court justice won 29 of the 32 cases he argued before the court as a lawyer for the NAACP

SOLUTION: thurgood marshall

PROBLEM: Category: LITERARY TRILOGIES 
Clue: "Number One" is actually the number two novel in a trilogy by this author of "U.S.A."

SOLUTION: john dos passos

PROBLEM: Category: GO FOR THE JUGGLER 
Clue: These brothers who ran a famous circus bearing their name worked in it as jugglers & tightrope walkers

SOLUTION:
ringling brothers