Instructions: 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.
Input: Category: SPORTS SUPERSTARS 
Clue: This tennis player was ranked No. 1 for the year a record 6 times in a row in the 1990s
Output:
pete sampras