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.

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

A: gunsmoke
****
Q: Category: VOLCANOES 
Clue: The 5 highest volcanoes on Earth are located in these mountains

A: andes
****
Q: Category: FEMALE SINGERS 
Clue: She's tied with Mariah Carey for most no. 1 hits by a female with 18: 12 as a member of a group & 6 as a solo act

A:
diana ross
****