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: NAMES YOU SHOULD KNOW 
Clue: Sharing her first name with Robin Hood's sweetie, this African-Amer. contralto earned the 1963 Pres. Medal of Freedom
[A]: marian anderson


[Q]: Category: WORLD RELIGION 
Clue: Inti was the sun god prayed to by the ruling family of this South American empire
[A]: incas


[Q]: Category: AS LISTED IN THE S.I. ALMANAC 
Clue: "Tennis player. First black man to win U.S. Open (1968, as an amateur), Australian Open (1970)"
[A]:
ashe