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: BLUES CLUES 
Clue: "Spider Man Blues" was a record by this "Empress of the Blues"; Sony should be thinking soundtrack!
bessie smith

Category: OPTICS 
Clue: On New Year's or any other day, it's the fineness of detail that can be distinguished in a photographic image
resolution

Category: YOU CAN CALL ME "AL" 
Clue: In 1998 the Pres. of the Czech Republic remarked that he wanted this U.S. Cabinet member to replace him

madeleine albright