"Guitar Queer-O" is the thirteenth episode of the eleventh season and the 166th overall episode of American animated television series "South Park", which first aired on Comedy Central on November 7, 2007.
 The episode parodies the "Guitar Hero" video games, and aired ten days after the release of "".
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.
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.
Season five of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on June 20, 2001.
 The fifth season concluded after 14 episodes on December 12, 2001.
 The 14-episode season length would become a standard for later years of the series (up until the seventeenth season).
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.
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.
The eleventh season of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 7, 2007.
 The 11th season concluded after 14 episodes on November 14, 2007.
 This is the first season to have uncensored episodes available for DVD release.
 This is also the season featuring the three-part, Emmy Award-winning episode "Imaginationland" (which was released separately on DVD with scenes not shown in the televised version before being packaged with the rest of the season 11 episodes as part of the complete season DVD).
 Parker was the director and writer of this eleventh season.
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.
The tenth season of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 22, 2006.
 The tenth season concluded after 14 episodes on November 15, 2006.
 This is the first season in which Kenny does not die and the last season featuring Isaac Hayes (the voice of Chef) as Hayes quit the show following the backlash behind season nine's "Trapped in the Closet" episode.
 This season also had a minor controversy when the Halloween episode "Hell on Earth 2006" depicted "The Crocodile Hunter's" Steve Irwin with a stingray lodged in his chest getting thrown out of Satan's Halloween party for not being in costume.
 Episode 2 in this season is the last one with the Braniff Airlines logo.
 All the episodes in this season were written and directed by Trey Parker.
The twelfth season of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 12, 2008.
 The twelfth season concluded after 14 episodes on November 19, 2008.
 "Saturday Night Live" cast member Bill Hader is credited as a consultant starting with this season.
 Parker was the director and writer in this twelfth season.
 Stone was also the writer on the third episode of the twelfth season.

Question: In 2007, which network aired the eleventh season of the animated television series created by Trey Parker and Matt Stone?
Answer: Comedy Central