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: SOUTH OF THE BORDER 
Clue: Known as J.C., this boxing champion won titles in 3 weight divisions & more than 100 pro fights
answer:
julio cesar chavez


question:
Category: DIRECTORS 
Clue: Biographer Donald Spoto says that as a schoolboy, this "Vertigo" director was nicknamed "Cocky"
answer:
alfred hitchcock


question:
Category: LOUIS ARMSTRONG 
Clue: Armstrong's 1926 recording heard here is one of the first examples of this technique
answer:

scat singing