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: BORDERS 
Clue: Argentina's border with this country is 3,200 miles long, about the same as its coastline

SOLUTION: chile

PROBLEM: Category: THE NATIONAL MUSEUM OF HEALTH & MEDICINE 
Clue: Among lesser-known body parts at the museum, see the leg Gen. Daniel Sickles lost at this July 1863 battle

SOLUTION: gettysburg

PROBLEM: Category: ARE YOU EATING RIGHT? 
Clue: Popular in Cajun cooking, this sausage with a French name is full of tripey goodness

SOLUTION:
andouille