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.

Example Input: Category: FICTIONAL CHARACTERS 
Clue: Lassiter is the gun-slinging hero of this Zane Grey novel & appears in its sequel "The Rainbow Trail"
Example Output: "riders of the purple sage"

Example Input: Category: SORE WINNERS 
Clue: Hobbled by a bad hamstring & bum knee, he homered to win Game 1 of the 1988 World Series & limped around the bases
Example Output: kirk gibson

Example Input: Category: THE 19th CENTURY 
Clue: Under  the 1848 treaty of Guadalupe Hidalgo, this river became the boundary between Mexico & Texas
Example Output:
the rio grande