Question: When did the simpsons first air on television?
Answer: December 17 , 1989
Disambiguated annotations:
qaPairs: question: When did the Simpsons first air on television as an animated short on the Tracey Ullman Show?
answer: April 19, 1987
question: When did the Simpsons first air as a half-hour prime time show?
answer: December 17, 1989