Question: Ryan Stiles was a performer on the improvisational show that premiered on April 11, 2011 on what network?

full_context: Document 1: Jim Carrey: James Eugene Carrey ( ; born January 17, 1962) is a Canadian-American actor, comedian, impressionist, screenwriter, and producer. He is known for his highly energetic slapstick performances.
Document 2: The Comedy &amp; Magic Club: The Comedy & Magic Club is located in Hermosa Beach, California. The club's beachside location has long made it a favorite destination for comedians and audience members alike. Many of the top comics in the industry have and continue to call this their home club. Gabriel Iglesias, Ian Bagg, Cristela Alonzo, Daniel Tosh, Arsenio Hall, and Jay Leno, are all performers who continue to appear regularly. Jay Leno holds a weekly residency on most Sunday evenings and has done so for many years. The audiences are held in high regard by the comedians who frequent the venue as being some of the best in the country. It is a common practice for comedians preparing for a five minute late night appearance to drop by and put the finishing touches on their performances at the club. In addition to their roster of top-tier comedic talent the club boasts an impressive array of magic and variety performers such as Derek Hughes, Rob Zabrecky, The Passing Zone, Danny Cole, Jon Armstrong, Lindsay Benner, and others. The interior of the club also serves as a museum housing comedy memorabilia from Charlie Chaplin, Lucille Ball, Robin Williams, Jerry Seinfeld, Ray Romano, and more on display. The club is open Tuesday through Sunday and also prides itself on being a fundraising force in the local community.
Document 3: The Dog and Pony Show: "The Dog and Pony Show" is the eighth episode of the third season of the American sitcom "The Drew Carey Show", and the 54th overall. The series focuses on the work and home life of a fictionalized version of actor and comedian Drew Carey. The episode first aired on November 12, 1997 on ABC in the United States. The episode's plot sees Mr. Wick (Craig Ferguson) pass off caring for his boss Mrs. Lauder's (Nan Martin) Hungarian Puli to his employee Drew (Drew Carey). When Drew has the prize-winning dog shaved and neutered, he and his friends decide to perform a striptease at the local bar, The Warsaw Tavern, to earn quick cash to buy a replacement.
Document 4: Martin Short: Martin Hayter Short {'1': ", '2': ", '3': ", '4': "} (born March 26, 1950) is a Canadian-American actor and comedian. He is known for his work on the television programs "SCTV" and "Saturday Night Live". He has starred in comedy films, such as "Three Amigos" (1986), "Innerspace" (1987), "Three Fugitives" (1989), "Father of the Bride" (1991), "Pure Luck" (1991), "Captain Ron" (1992), "Father of the Bride Part II" (1995), "Mars Attacks!" (1996) and "Jungle 2 Jungle" (1997), and created the characters, Jiminy Glick and Ed Grimley. In 1999, he won a Tony Award for his lead performance in a Broadway revival of "Little Me".
Document 5: Dr. Drew On Call: Dr. Drew On Call, previously titled Dr. Drew, was an American current affairs program hosted by Dr. Drew Pinsky that aired Monday through Thursday nights on HLN. The program premiered on Monday, April 4, 2011 and aired Monday through Thursday nights at 9 PM eastern, 8 PM central, 6 PM pacific. HLN ended the series on September 22, 2016.
Document 6: Callum Keith Rennie: Callum Keith Rennie (born 14 September 1960) is a British-born Canadian television and film actor. He started his career in Canadian film and television projects, where his portrayal of Stanley Raymond Kowalski on the television series "Due South" was his first international success. After years acting in over one hundred and twenty five Canadian and international projects, he became widely known for his portrayal of the Cylon Leoben Conoy on "Battlestar Galactica", and following that, his role as record producer Lew Ashby on the Showtime series "Californication".
Document 7: Ryan Reynolds: Ryan Rodney Reynolds (born October 23, 1976) is a Canadian actor. He portrayed Michael Bergen on the ABC sitcom "Two Guys and a Girl" (1998–2001), Billy Simpson in the YTV Canadian teen soap opera "Hillside" (1991), as well as Marvel Comics characters Hannibal King in "" (2004), and Wade Wilson / Deadpool in "" (2009) and "Deadpool" (2016), the latter earning him a Golden Globe Award nomination.
Document 8: Rick Moranis: Frederick Allan "Rick" Moranis (born April 18, 1953) is a Canadian-American actor, comedian, screenwriter, producer, musician, and songwriter. He is currently on film acting hiatus. He came to prominence in the sketch comedy series "Second City Television" ("SCTV") in the 1980s and later appeared in several Hollywood films, including "Strange Brew" (1983), "Ghostbusters" (1984), "Spaceballs" (1987), "Little Shop of Horrors" (1986), "Honey, I Shrunk the Kids" (1989, and its 1992 and 1997 sequels), "Parenthood" (1989), "My Blue Heaven" (1990), and "The Flintstones" (1994).
Document 9: Minute to Win It (U.S. game show): Minute to Win It is an American television game show which features contestants playing simple games with common household items in an attempt to win a cash prize. The series originally ran on NBC with host Guy Fieri and was revived in 2013 on Game Show Network (GSN) with Apolo Ohno presenting the show.
Document 10: 21st AVN Awards: The 21st AVN Awards ceremony, presented by Adult Video News (AVN), took place January 10, 2004 at the Venetian Hotel Grand Ballroom, at Paradise, Nevada, U.S.A. During the ceremony, AVN presented AVN Awards in 94 categories honoring the best pornographic films released between Oct. 1, 2002 and Sept. 30, 2003. The ceremony, televised in the United States by Playboy TV, was produced and directed by Gary Miller. Comedian Jim Norton hosted the show for the first time with adult film star Jenna Jameson in her third stint as co-host.
Document 11: Sean Masterson: Sean Masterson is a comedy actor, writer, director and producer known for his work with Drew Carey, writing on "The Drew Carey Show", and as an improvisational performer on "Whose Line Is It Anyway?" spin-offs "Drew Carey's Green Screen Show", and "Drew Carey's Improv-A-Ganza".
Document 12: Ryan Stiles: Ryan Lee Stiles (born April 22, 1959) is a Canadian-American actor, comedian, producer and director whose work is often associated with improvisational comedy. He is best known for his career and co-production work on the American and British versions of "Whose Line Is It Anyway?" and the role of Lewis Kiniski on "The Drew Carey Show". He played Herb Melnick on the CBS comedy "Two and a Half Men" and was a performer on the show "Drew Carey's Improv-A-Ganza".
Document 13: Drew Carey's Improv-A-Ganza: Drew Carey's Improv-A-Ganza is an improvisational comedy television program that aired in the United States on the Game Show Network. The program was hosted by Drew Carey and was produced at the Hollywood Theatre at the MGM Grand in Paradise, Nevada. The show premiered on April 11, 2011 at 8 p.m. EST.
Document 14: Random Acts of Comedy: Random Acts of Comedy is an American comedy game show hosted by David Alan Grier. The show was co-created and executive produced by John Cervenka. It premiered October 8, 1999, on the Fox Family Channel. Two contestants had to identify "The Who", "The What", and "The Where" in a scene performed by improv actors. For example, the actors could be asked to act out Santa Claus (The Who) serving hot dogs (The What) at a Boy Scout meeting (The Where). None of the actors were informed of "The Who", "The What", or "The Where" of each round prior to the show. As each scene was being performed, the contestants could buzz in and identify any of the three elements of the scene for points. Five rounds were played, with the last round being a musical round. Correct answers were worth ten points in round one, twenty points in rounds two and three, thirty points in round four, and fifty points in round five. If at any time, the actors accidentally revealed a clue, it was thrown out and both players get the points. At the end of the game, the contestant with the higher score won a prize package.
Document 15: Russell Peters: Russell Dominic Peters (born September 29, 1970) is a Canadian comedian and actor of Indian descent. He began performing in Toronto in 1989 and won a Gemini Award in 2008. He currently lives in Los Angeles.
ground_truth: Game Show Network