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?"

<P0-S0> Jerome "Chef" McElroy is a cartoon character on the Comedy Central series "South Park" who was voiced by soul singer Isaac Hayes. <P0-S1>  A cafeteria worker (as his nickname implies) at the local elementary school in the town of South Park, Colorado, Chef is generally portrayed as more level-headed than the other adult residents of the town, and sympathetic to the kids. <P0-S2>  His guidance is often sought by the show's core group of child protagonists – Eric Cartman, Stan Marsh, Kyle Broflovski, and Kenny McCormick – as he is usually the only adult whom they consistently trusted. <P0-S3>  To an inadvertent fault, he frequently gives inappropriate advice, usually in the non sequitur form of a lascivious soul song. <SEP> <P1-S0> "Cartman's Mom Is Still a Dirty Slut" is the second episode in the second season of the American animated television series "South Park". <P1-S1>  The 15th episode of the series overall, it premiered on Comedy Central in the United States on April 22, 1998. <P1-S2>  The episode concludes the storyline of the season one finale "Cartman's Mom Is a Dirty Slut"; Mephesto is suddenly shot, just as he is about to reveal the identity of Cartman's father. <P1-S3>  The four boys and Chef rush him to Hell's Pass Hospital while the town of South Park experiences a massive blizzard. <SEP> <P2-S0> Leopold "Butters" Stotch is a fictional character in the animated television series "South Park". <P2-S1>  He is voiced by series co-creator Matt Stone and loosely based on co-producer Eric Stough. <P2-S2>  He is a third- then fourth-grade student at the fictional South Park Elementary School. <P2-S3>  Butters is depicted as more cheerful, sweet, naive, optimistic, gullible, and passive compared to the show's other child characters and can become increasingly anxious, especially when faced with the likelihood of being punished, which is usually just being grounded, of which he is extremely terrified. <P2-S4>  As a result, he is often sheltered and unknowledgeable of some of the suggestive content his peers understand, and is also frequently the victim of abuse and manipulation by Eric Cartman. <P2-S5>  His name is a play on the confection butterscotch. <SEP> <P3-S0> "Cartman's Mom Is a Dirty Slut" is the first season finale of the American animated television series "South Park". <P3-S1>  It originally aired on Comedy Central in the United States on February 25, 1998. <P3-S2>  The episode is the highest viewed episode in the entire "South Park" series, with 6.4 million views. <P3-S3>  It is part one of a two-episode story arc, which concluded with "Cartman's Mom Is Still a Dirty Slut". <P3-S4>  The episode follows Eric Cartman, one of the show's child protagonists, becoming curious about the identity of his father. <P3-S5>  He discovers that his father is most likely a man his mother had sexual intercourse with during an annual party called "The Drunken Barn Dance". <P3-S6>  Meanwhile, his friends Stan, Kyle and Kenny participate on "America's Stupidest Home Videos", after filming Cartman playing in his yard with plush toys.