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: FRENCH NOVELISTS 
Clue: Ideas in his novels that have come true include space travel, television & the submarine
answer:
jules verne


question:
Category: DEMOGRAPHICS 
Clue: In 2005 the World Health Organization appropriately decided to stop hiring people who do this
answer:
smoke


question:
Category: BUSINESS BIGGIES 
Clue: In the 1890s he established steamer lines on the Great Lakes to control the transport of iron to Pittsburgh
answer:

andrew carnegie