Question: Chef Goes Nanners is the seventh episode of a season of South Park containing how many episodes total?

full_context: Document 1: South Park (season 7): Season seven of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 19, 2003. The seventh season concluded after 15 episodes on December 17, 2003, and was written and directed by Trey Parker.
Document 2: Chef Aid: "Chef Aid" is the fourteenth episode in the second season of the American animated television series "South Park". The 27th episode of the series overall, it originally aired on Comedy Central in the United States on October 7, 1998. The episode was written by series co-creators Trey Parker and Matt Stone, and directed by Parker. Guest stars in this episode include Joe Strummer, Rancid, Ozzy Osbourne, Ween, Primus, Elton John, Meat Loaf, Rick James, and DMX.
Document 3: The Return of Chef: "The Return of Chef" is the first episode in the tenth season of the American animated television series "South Park". The 140th episode of the series overall, it first aired on Comedy Central in the United States on March 22, 2006. The episode was the first after the departure of actor Isaac Hayes, who voiced the character Chef. Hayes, a Scientologist, left after a falling-out with the creators over their treatment of Scientology in the previous season's episode "Trapped in the Closet". Scientology has been accused of using brainwashing techniques, and the episode portrays Chef as having been brainwashed.
Document 4: South Park (season 8): Season eight of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 17, 2004. The eighth season concluded after 14 episodes on December 15, 2004, and was written and directed by Trey Parker. The season deals with various topics that were relevant at the time of release. The episodes portray a spectrum of topics, from effect of large scale retails corporations to immigration.
Document 5: Quintuplets 2000: "Quintuplets 2000" ("Contorting Quintuplets 2000" in some syndicated markets and "Quintuplets" on the South Park Studios website) is the fourth episode of the fourth season of the Comedy Central series "South Park", and the 52nd episode of the series overall. It was originally broadcast on April 26, 2000. The episode is based on the Dionne quintuplets and the then-recent Elián González affair, who had been taken by federal authorities four days before the episode aired.
Document 6: A Very Crappy Christmas: "A Very Crappy Christmas" is the seventeenth and final episode of the fourth season of the animated television series "South Park", and the 65th episode overall. It first aired on Comedy Central in the United States on December 20, 2000. In the episode, Kyle awaits Mr. Hankey on Christmas, but he does not show up. To try to spread some Christmas cheer, Kyle and the boys decide to create their own animated special.
Document 7: South Park (season 1): The first season of the animated television series "South Park" ran for 13 episodes from August 13, 1997 to February 25, 1998 on the American network Comedy Central. The creators Trey Parker and Matt Stone wrote most of the season's episodes; Dan Sterling, Philip Stark and David Goodman were credited with writing five episodes. The narrative revolves around four children—Stan Marsh, Kyle Broflovski, Eric Cartman and Kenny McCormick—and their unusual experiences in the titular mountain town.
Document 8: South Park (season 4): Season four of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on April 5, 2000. The fourth season concluded after 17 episodes on December 20, 2000.
Document 9: Chef Goes Nanners: "Chef Goes Nanners" is the seventh episode of the fourth season of the animated television series "South Park", and the 55th episode of the series overall. "Chef Goes Nanners" originally aired in the United States on Comedy Central on July 5, 2000.
Document 10: South Park (season 2): Season two of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on April 1, 1998. The second season concluded after 18 episodes on January 20, 1999; it remains the longest season of "South Park" to date. While most of the episodes were directed by series creator Trey Parker, Season 2 includes two episodes directed by Eric Stough.
Document 11: Chef (South Park): Jerome "Chef" McElroy is a cartoon character on the Comedy Central series "South Park" who was voiced by soul singer Isaac Hayes. 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. 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. To an inadvertent fault, he frequently gives inappropriate advice, usually in the non sequitur form of a lascivious soul song.
Document 12: South Park (season 9): Season nine of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 9, 2005. The ninth season concluded after 14 episodes on December 7, 2005. All of the episodes in the ninth season were written and directed by Trey Parker.
Document 13: Aqua Teen Hunger Force (season 4): The fourth season of the animated television series, "Aqua Teen Hunger Force" originally aired in the United States on Cartoon Network's late night programming block, Adult Swim. Season four started on December 4, 2005 with "Dirtfoot" and ended with "Carl Wash", with a total of thirteen episodes. "Carl Wash" originally made two unannounced stealth airings on December 22, 2006 and January 7, 2007 and later made its official debut on March 25, 2007. "Aqua Teen Hunger Force" is about the surreal adventures and antics of three anthropomorphic fast food items: Master Shake, Frylock, and Meatwad, who live together as roommates and frequently interact with their human next-door neighbor, Carl Brutananadilewski in a suburban neighborhood in South New Jersey.
Document 14: South Park: South Park is an American adult animated sitcom created by Trey Parker and Matt Stone and developed by Brian Graden for the Comedy Central television network. The show revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their bizarre adventures in and around the titular Colorado town. Much like "The Simpsons", "South Park" uses a very large ensemble cast of recurring characters and became infamous for its profanity and dark, surreal humor that satirizes a wide range of topics towards a mature audience.
Document 15: Starvin' Marvin (South Park): "Starvin' Marvin" is the eighth episode in the first season of the American animated television series "South Park". It first aired on Comedy Central in the United States on November 19, 1997. In the episode, Cartman, Kenny, Kyle and Stan send money to an African charity hoping to get a sports watch, but are instead sent an Ethiopian child whom they dub "Starvin' Marvin". Later, Cartman is accidentally sent to Ethiopia, where he learns activist Sally Struthers is hoarding the charity's food for herself. In an accompanying subplot, after genetically engineered turkeys attack South Park residents, Chef rallies the residents to fight back, in a parody of the film "Braveheart".
ground_truth: 17