Given the task definition and input, reply with output. 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.

Category: DOUBLE DOUBLE LETTERS 
Clue: The indoor version of this sport debuted at the Olympics in 1964; the beach type debuted in 1996

volleyball
Given the task definition and input, reply with output. 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.

Category: DOUBLE DOUBLE LETTERS 
Clue: The indoor version of this sport debuted at the Olympics in 1964; the beach type debuted in 1996

user
volleyball
assistant
Given the task definition and input, reply with output. 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.

Category: DOUBLE DOUBLE LETTERS 
Clue: The indoor version of this sport debuted at the Olympics in 1964; the beach type debuted in 1996

volleyball