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 consistency, answers should be in all lower cased letters.

Category: THE BIG APPLE 
Clue: The answer is "Practice, Practice, Practice"
how do you get to carnegie hall?

Category: LANDMARKS 
Clue: The Mexuar, the Serallo & the Harem are parts of the Royal Palace in this complex overlooking Granada, Spain
the alhambra

Category: 1930s AVIATION 
Clue: On January 8, 1930 Walter Mittelholzer took off from the Serengeti plain to fly in a plane over this mount

mount kilimanjaro