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 consistency, answers should be in all lower cased letters.

Q: Category: ON THE COVER OF ROLLING STONE 
Clue: "Nothing Compares" to this singer seen on covers in 1990 & '91, & with even less hair in '92

A: sinead o\'connor
****
Q: Category: NEW WORDS & PHRASES 
Clue: There's a questioning sound to this collective term for people born in the 1980s & '90s

A: generation y
****
Q: Category: TV HOSPITALS 
Clue: Since 1994 it's been set at Cook County Hospital

A:
er
****