Question: When did pong become playable on the television?
qaPairs: question: When did pong become playable on the television by testers?
answer: latter half of 1974
the latter half of 1974
question: When did pong become playable on the television by the public?
answer: January 1975
qaPairs: question: When did Pong become playable on the television as a prototype?
answer: 1974
question: When did Pong become playable on the television as a commercial product?
answer: 1975