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 FICTIONAL LAND OF OZ 
Clue: This paving material of the road to the Emerald City is in need of repairs

SOLUTION: yellow brick

PROBLEM: Category: "WORLD" BOOK 
Clue: John Irving established his reputation with this 1978 book about the life of a novelist

SOLUTION: "the world according to garp"

PROBLEM: Category: COMICS & COMIC BOOKS 
Clue: Captain Marvel's looks were based on this movie star's; this was way before his "My Three Sons" days

SOLUTION:
fred macmurray