Domain: tvseries

question: South Park was created by who?
answer_text: Trey Parker;Matt Stone
paraphrase: Who are the creators of South Park

question: Parkers and Stone voiced characters on the show?
answer_text: Yes
completed: Did Trey Parker and Matt Stone voice any South Park characters?
paraphrase: Parker and Stone did voice work for the show?

question: which year did Isaac Hayes leave the show?
answer_text: 2006
completed: What year did Isaac Hayes who voiced Chef quit South Park?
paraphrase: Isaac Hayes left the show in what year?

question: the first network the show premiered on?
answer_text: Comedy Central
completed: On which network was South Park originally released?
paraphrase: show released on what network first?

question: launched date for Comedy Central?
answer_text: 01 June 1991
completed: What was the launch date for Comedy Central?
paraphrase: when did the network launched?