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.

Category: HOT SPOTS 
Clue: 43 consecutive days of 120º heat were recorded in this appropriately named Calif. valley
death valley

Category: BRAND "O" 
Clue: You can read "Story O's" about this cookie on its website
oreos

Category: WEISS GUYS 
Clue: WWII fighter ace Robert Weiss scored more than 100 kills flying Messerschmitts & Focke-Wulfs for this Air Force

the luftwaffe