TASK DEFINITION: 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.
PROBLEM: Category: ROCK-Y 
Clue: 1984's "Jump" was the first No. 1 hit for this group that features brothers Alex & Eddie

SOLUTION: van halen

PROBLEM: Category: AMERICAN HISTORY 
Clue: On June 21, 1982 he was found not guilty by reason of insanity in the shooting of President Reagan

SOLUTION: john hinckley

PROBLEM: Category: ARTISTIC MASTERS 
Clue: This artist's Virgin seen here is similar to a more famous painting by him:

SOLUTION:
leonardo da vinci