Question: Which elementary cafeteria worker, also known as Chef, in South Park Colorado rushed Mephesto to Hell's Pass Hospital in "Cartman's Mom Is Still a Dirty Slut?"
Sentence (from "Cartman's Mom Is Still a Dirty Slut"): The 15th episode of the series overall, it premiered on Comedy Central in the United States on April 22, 1998.
Relevant evidence: No