Question: "Simpsons Already Did It" is the seventh episode of the sixth season of the American animated television series "South Park", and the 86th episode of the series overall, which main character in the Comedy Central series "South Park"?
Sentence (from "Kyle Broflovski"): Kyle is one of the show's four central characters, along with his friends Stan Marsh, Kenny McCormick, and Eric Cartman.
Relevant evidence: No