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: YOUNG PEOPLE WHO MADE A DIFFERENCE 
Clue: Born near what became Jamestown, Virginia around 1595, her name meant "playful one"

Answer: pocahontas


Question: Category: START SAVING NOW 
Clue: This $1.5 billion dollar telescope, seen here, has opened our Earth-bound eyes to undreamed-of splendors

Answer: the hubble space telescope


Question: Category: BALLET 
Clue: Jules Perrot's short ballet "Pas de Quatre" requires this many ballerinas

Answer:
4