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.
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Question: Category: TELEVISION HISTORY
Clue: Set in the 1870s, it ran from 1955 to 1975

Answer: gunsmoke

Question: Category: AMERICAN MOUNTAINS
Clue: Of the more than 80 U.S. peaks over 14,000' that have names, most are in this state

Answer: colorado

Question: Category: U.S. SYMBOLISM
Clue: By a 1782 resolution, they represent valor; purity & innocence; and vigilance, justice & perseverance

Answer:
red, white & blue