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: THE NATIONAL MUSEUM OF HEALTH & MEDICINE 
Clue: Among lesser-known body parts at the museum, see the leg Gen. Daniel Sickles lost at this July 1863 battle
answer:
gettysburg


question:
Category: THE 1970s 
Clue: In 1977 Bank of America changed the name of its Bank Americard to this 4-letter word
answer:
visa


question:
Category: I WANT MY MTV 
Clue: "Shaaaron!" was the only word we really understood from the patriarch of this rockin' reality family
answer:

the osbournes