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: ROCK-Y 
Clue: 1984's "Jump" was the first No. 1 hit for this group that features brothers Alex & Eddie
[A]: van halen


[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: "G" WHIZ! 
Clue: To grumble, perhaps about the ruffed bird of the same name
[A]:
grouse