instruction:
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.
question:
Category: STATES' SOUTHWEST CORNERS 
Clue: This state's is just north of the Columbia River
answer:
washington


question:
Category: "O" YOU ANIMAL! 
Clue: It "coughs" out sediment by clapping its shell shut
answer:
oyster


question:
Category: FAMOUS MARGARETS 
Clue: She was secretary of Health & Human Services 1983-85, then became U.S. ambassador to Ireland
answer:

margaret heckler