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: LET'S GET MEDICAL 
Clue: Amyotrophic lateral sclerosis, also known as his disease, claimed his life in 1941
answer:
lou gehrig


question:
Category: THE ROTARY CLUB 
Clue: On an airplane they're "fixed"; on a helicopter they're actually "rotary"
answer:
wings


question:
Category: THE MUSICAL '80s 
Clue: Paul McCartney had No. 1 duets in the '80s with Michael Jackson on "Say Say Say" & this man on "Ebony And Ivory"
answer:

stevie wonder