Question: What episode features the character Wendy Testaburger of a show that aired on Comedy Central in August of 1997? 

full_context: Document 1: Butters Stotch: Leopold "Butters" Stotch is a fictional character in the animated television series "South Park". He is voiced by series co-creator Matt Stone and loosely based on co-producer Eric Stough. He is a third- then fourth-grade student at the fictional South Park Elementary School. 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. 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. His name is a play on the confection butterscotch.
Document 2: Cartman Gets an Anal Probe: "Cartman Gets an Anal Probe" is the first episode of the American animated television series "South Park". It first aired on Comedy Central in the United States on August 13, 1997. The episode introduces child protagonists Eric Cartman, Kyle Broflovski, Stan Marsh and Kenny McCormick, who attempt to rescue Kyle's younger brother Ike from being abducted by aliens.
Document 3: 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 4: Starvin' Marvin in Space: Starvin' Marvin in Space is episode 44 of the animated television series South Park. It originally aired on Comedy Central in the United States on November 17, 1999. Like the episode Mr. Hankey's Christmas Classics, the episode is dedicated to Mary Kay Bergman, who lent her voice to nearly all of South Park's female characters. This was the last show to use dialogue by Bergman, who committed suicide shortly after production was completed.
Document 5: Kyle Broflovski: Kyle Broflovski (sometimes spelled Kyel Broflovski, Broslovski, Broslofski, Brovlofski or Broflofski) is a main character in the Comedy Central series "South Park". He is voiced by and loosely based on co-creator Matt Stone. Kyle is one of the show's four central characters, along with his friends Stan Marsh, Kenny McCormick, and Eric Cartman. He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Stone and long-time collaborator Trey Parker in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Document 6: Dances with Smurfs: "Dances with Smurfs" is the thirteenth episode of the thirteenth season of the American animated television series "South Park". The 194th overall episode of the series, it originally aired on Comedy Central in the United States on November 11, 2009. In the episode, Eric Cartman becomes the reader of the elementary school announcements, and starts making politically charged accusations against student body president Wendy Testaburger The episode was written and directed by series co-creator Trey Parker, and was rated TV-MA L in the United States and M (as) in Australia.
Document 7: Stan Marsh: Stanley Randall "Stan" Marsh is the protagonist of the animated television series "South Park". He is voiced by and loosely based on series co-creator Trey Parker. Stan is one of the show's four central characters, along with his friends Kyle Broflovski, Kenny McCormick and Eric Cartman. He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Parker and long-time collaborator Matt Stone in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Document 8: Kenny McCormick: Kenneth "Kenny" McCormick is a main character in the animated adult television series "South Park", along with his friends Stan Marsh, Kyle Broflovski, and Eric Cartman. His oft-muffled and indiscernible speech—the result of his parka hood covering his mouth—is provided by co-creator Matt Stone. He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Stone and long-time collaborator Trey Parker in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Document 9: Randy and Sharon Marsh: Randy Marsh and Sharon Marsh (née Kimble) are fictional characters in the animated television series "South Park". They are the most prominent set of parents on the show and a middle-class married couple who raise their 10-year-old son Stan and 13-year-old daughter Shelly in the fictional town of South Park, Colorado. Their first names are derived from the first names of series co-creator Trey Parker's parents, and Parker describes Randy as "the biggest dingbat in the entire show". According to the season 16 episode "Reverse Cowgirl", the Marsh home address is 260 Avenidas de los Mexicanos.
Document 10: Breast Cancer Show Ever: "Breast Cancer Show Ever" is the ninth episode in the twelfth season of the American animated television series "South Park". The 176th episode of the series overall, it originally aired on Comedy Central in the United States on October 15, 2008. The episode was written and directed by series co-creator Trey Parker. In the episode, Cartman's disrespectful behavior puts him on the wrong side of Wendy Testaburger when he mocks her presentation on breast cancer awareness.
Document 11: Cartman's Mom Is a Dirty Slut: "Cartman's Mom Is a Dirty Slut" is the first season finale of the American animated television series "South Park". It originally aired on Comedy Central in the United States on February 25, 1998. The episode is the highest viewed episode in the entire "South Park" series, with 6.4 million views. It is part one of a two-episode story arc, which concluded with "Cartman's Mom Is Still a Dirty Slut". The episode follows Eric Cartman, one of the show's child protagonists, becoming curious about the identity of his father. 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". Meanwhile, his friends Stan, Kyle and Kenny participate on "America's Stupidest Home Videos", after filming Cartman playing in his yard with plush toys.
Document 12: Wendy Testaburger: Wendy Testaburger is a fictional character in the American animated series "South Park". The series' most prominent female character, she is best known for her on-again, off-again relationship with her boyfriend, Stan Marsh, and being more intelligent and mature than most children her age, which is utilized by her activism and feminism. Wendy debuted as a nameless background character in Trey Parker and Matt Stone's 1995 college short film, "The Spirit of Christmas", and made her first appearance on television when "South Park" initially premiered on Comedy Central on August 13, 1997 with the episode "Cartman Gets an Anal Probe". She is currently voiced by April Stewart. Prior, she had been voiced by several different voice actors throughout the show's run: Mary Kay Bergman, Eliza Schneider, and Mona Marshall.
Document 13: 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 14: Eric Cartman: Eric Theodore Cartman, often referred to as just Cartman, is a main character in the animated television series "South Park", created by Matt Stone and Trey Parker, and voiced by Trey Parker. Cartman, generally referred to by his surname, is one of four central characters in "South Park", along with his friends Stan Marsh, Kyle Broflovski, and Kenny McCormick. Cartman first appeared, originally named Kenny, in prototypical form in a 1992 animated short "Jesus vs. Frosty", and a 1995 animated short "Jesus vs. Santa", and first appeared on television in the pilot episode of "South Park", "Cartman Gets an Anal Probe", on August 13, 1997.
Document 15: List of South Park episodes: "South Park" is an American animated television sitcom created by Trey Parker and Matt Stone for Comedy Central that debuted on August 13, 1997. The series originated from a pair of animated shorts titled "The Spirit of Christmas", and the first episode of "South Park" originally aired on August 13, 1997 on Comedy Central. Intended for mature audiences, the show has become infamous for its crude language and dark, surreal humor that lampoons a wide range of topics. The story revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their bizarre adventures in and around the eponymous Colorado town.
ground_truth: Cartman Gets an Anal Probe