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: 20th CENTURY NOVELS 
Clue: Manfred de Spain appears in "The Town", "The Mansion" & "The Reivers" by this author
answer:
faulkner


question:
Category: OPERAS BASED ON PLAYS 
Clue: "The Queen of Cornwall", from a play by this author, premiered "Far from the Madding Crowd", in Glastonbury
answer:
thomas hardy


question:
Category: THEATRICAL QUOTES 
Clue: Noel Coward quipped this Lerner & Loewe musical was "about as long as 'Parsifal
answer:

"camelot"