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: STATES' SOUTHWEST CORNERS 
Clue: This state's is just north of the Columbia River
[A]: washington


[Q]: Category: CALIFORNIA DREAMIN' 
Clue: California produces approximately 98% of the U.S. supply of these "green almond" nuts
[A]: pistachios


[Q]: Category: HEALTH & MEDICINE 
Clue: Lateral epicondylitis is the medical term for this chronic sports injury that affects the arm
[A]:
tennis elbow