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: BIBLICAL CITIES 
Clue: Of the 10 most populous U.S. cities, the one that shares its name with a city mentioned in Revelation
answer:
philadelphia


question:
Category: U.S. STAMPS 
Clue: FDR's in 1982 was the last stamp to show 1 of these; they were removed from photos of Jackson Pollock & Edward R. Murrow
answer:
cigarette


question:
Category: SPORTS & BUSINESS 
Clue: The watch Timex introduced in 1986 for this event in Hawaii quickly became the best-selling watch in America
answer:

the ironman triathlon