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.

[Q]: Category: BORDERS 
Clue: Argentina's border with this country is 3,200 miles long, about the same as its coastline
[A]: chile


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


[Q]: Category: READ THE BOOK 
Clue: According to the title of a book by George Eliot, the Dorlcote Mill is on this river
[A]:
the floss