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: EXPLORERS
Clue: John Speke died just before he was to debate this former exploring partner on the source of the Nile
answer:
sir richard burton

question:
Category: MAD, I TELL YOU!
Clue: In this film, Martin Balsam tells Anthony Perkins, "If it doesn't gel, isn't aspic"
answer:
psycho

question:
Category: THE ORCHESTRA
Clue: It was invented in the 18th century, & in the 19th Monsieur Sax developed it into the saxophone
answer:
a clarinet