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: STATE DEPARTMENT TRAVEL WARNINGS 
Clue: "Sept. 17, 2008, armed terrorists attacked a U.S. embassy in Sana'a" in this country, so "y" go?
yemen

Category: ANIMAL VERBS 
Clue: Nag or pester persistently
badger

Category: SIR FRANCIS DRAKE 
Clue: 1 story says that in this U.S. city's bay, Drake claimed the west coast for the queen; the city boasts a hotel named for Drake

san francisco