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: FAMOUS FIRSTS 
Clue: The world's first one of these opened in 1925; it was in San Luis Obispo, CA. & had parking in front of each door

SOLUTION: motel

PROBLEM: Category: MUSICAL INSTRUMENTS 
Clue: Newly discovered, perhaps the oldest playable instrument is one of these, made from a crane's bone

SOLUTION: flute

PROBLEM: Category: PLAYWRIGHTS 
Clue: For a 1953 play, he spent time in Salem doing research at the courthouse & at the Witch House

SOLUTION:
arthur miller