Question: What is the name of the character played by Sterling Knight in the American sitcom the follows the lives of characters Mel, Joe, Taylor and Nick?

full_context: Document 1: Drake &amp; Josh: Drake & Josh is an American television sitcom created by Dan Schneider for Nickelodeon. The series follows the lives of two teenage boys with opposite personalities, Drake Parker (Drake Bell) and Josh Nichols (Josh Peck), who become stepbrothers. Both actors previously appeared in "The Amanda Show" along with Nancy Sullivan, who plays Drake and Megan's mother in the series. Miranda Cosgrove plays Megan, Drake's mischievous younger sister, and Jonathan Goldstein plays Walter, Josh's father. The series' opening theme song, "Found a Way", is written by Drake Bell and Backhouse Mike and performed by Bell. The series ran from January 11, 2004, to September 16, 2007, totaling 57 episodes in 4 seasons. It also had two TV films: "Drake & Josh Go Hollywood" and "Merry Christmas, Drake & Josh".
Document 2: Sonny with a Chance (season 1): The first season of the television series "Sonny with a Chance" aired on Disney Channel from February 8, 2009 to November 22, 2009, and included 21 episodes. It introduces the six main characters of the series which are Sonny Munroe (Demi Lovato), Tawni Hart (Tiffany Thornton), Chad Dylan Cooper (Sterling Knight), Nico Harris (Brandon Mychal Smith), Grady Mitchell (Doug Brochu), and Zora Lancaster (Allisyn Ashley Arm).
Document 3: Melissa &amp; Joey: Melissa & Joey is an American sitcom television series starring Melissa Joan Hart and Joey Lawrence that aired for four seasons between 2010 and 2015 on ABC Family. The series follows local politician Mel Burke (Hart) and Joe Longo (Lawrence), whom Mel hires to look after her niece (Taylor Spreitler) and nephew (Nick Robinson) after a Ponzi scheme leaves Joe broke.
Document 4: Alex Pettyfer: Alexander Richard "Alex" Pettyfer (born 10 April 1990) is an English actor and model. He appeared in school plays and on television before being cast as Alex Rider, the main character in the 2006 film version of "Stormbreaker"; Pettyfer was nominated for a Young Artist Award and an Empire Award for his role. He has been seen as a model in several advertising campaigns for Burberry. His next two starring roles were in the 2011 films "I Am Number Four", a science fiction action adventure, and "Beastly", a modernised retelling of "Beauty and the Beast". Pettyfer also starred in the 2012 film "Magic Mike", and played a supporting role in the 2013's film "The Butler". He appeared in the 2014 romantic drama film "Endless Love."
Document 5: Melissa Horton: Melissa Horton is a fictional character from the NBC soap opera, "Days of Our Lives". She was played by child actors Joseph Trent Everett from October 18 to November 29, 1971, Matthew Bowman from December 16 to 29, 1971, and Kim Durso from April 15, 1975, to June 25, 1976. A teenaged Melissa was portrayed by Debbie Lytton from May 31, 1977, to April 17, 1980, and March 16, 1982, to November 29, 1982. Lisa Trusel played an adult Melissa from May 12, 1983, to November 8, 1988, with returns from June 28 to July 4, 1994, November 1 to 15, 1996, May 30 to June 3, 2002; January 14 to 19, 2010, and June 18 to 28, 2010. Camilla Scott played the role from February 14, 1990, to June 13, 1991. Trusel's run as Melissa earned her various nominations and a Daytime Emmy award nomination.
Document 6: Joey Lawrence: Joseph Lawrence (born April 20, 1976) is an American actor, singer, and game show host. He is known for his roles as Joey Donovan in the TV series "Gimme a Break!", Joey Russo in "Blossom", Joe Roman (the eldest brother of three with his real life brothers) in "Brotherly Love", and as Joe Longo in "Melissa & Joey".
Document 7: Melissa Joan Hart: Melissa Joan Hart (born April 18, 1976) is an American actress, voice actress, director, producer, singer, fashion designer, and businesswoman. She is known for her title roles in the sitcoms "Clarissa Explains It All" (1991–1994), "Sabrina the Teenage Witch" (1996–2003), and "Melissa & Joey" (2010–2015).
Document 8: Kendall Schmidt: Kendall Francis Schmidt (born November 2, 1990) is an American actor, pop rock singer-songwriter and music producer. He is best known for playing Kendall Knight in "Big Time Rush", participating in a boy band with the same name, and playing small roles on several TV shows such as "ER", "Without a Trace", "Phil of the Future", "Ghost Whisperer", "Gilmore Girls", and "Frasier". Schmidt's first single with Heffron Drive, "Parallel," was released in March 2014 through his very own record label TOLBooth Records.
Document 9: Melissa Hastings: Melissa Hastings is a fictional character in the "Pretty Little Liars" franchise. Created in 2006 by Sara Shepard for the book series, the character was later reworked by I. Marlene King, the developer of the television series, in which she is portrayed by Torrey DeVitto. An antiheroine, Melissa is primarily sister to protagonist Spencer Hastings, and the daughter of Peter and Veronica Hastings. She is a fierce woman who does everything to succeed in her life goals. In print, she is a guest character, while on screen Melissa has a much bigger presence in the story.
Document 10: List of Melissa &amp; Joey episodes: "Melissa & Joey" is an American television sitcom starring Melissa Joan Hart and Joey Lawrence. The series revolves around Melanie "Mel" Burke (Hart), an up-and-coming local politician who hires Joseph "Joe" Longo (Lawrence), a recently divorced commodities broker, as the nanny for her niece and nephew. The series premiered on August 17, 2010 on ABC Family.
Document 11: Nick Carter (musician): Nickolas Gene "Nick" Carter (born January 28, 1980) is an American singer, songwriter, actor, and dancer. He is best known as a member of the pop group the Backstreet Boys. As of 2015, Carter has released three solo albums, "Now or Never", "I'm Taking Off" and "All American" during breaks between Backstreet Boys schedules, and a collaboration with Jordan Knight titled "Nick & Knight". He has made occasional television appearances and starred in his own reality shows, "House of Carters" and "I (Heart) Nick Carter". He gained fame in the mid 1990s and early 2000s as a teen idol. He is also the older brother of singer Aaron Carter and the late Leslie Carter.
Document 12: Darren Criss: Darren Everett Criss (born February 5, 1987) is an American actor, singer and songwriter. One of the founding members and co-owners of StarKid Productions, a musical theater company based in Chicago, Criss first garnered attention playing the lead role of Harry Potter in StarKid's musical production of "A Very Potter Musical". The theater troupe made "Billboard" history when their original album, "Me and My Dick", became the first charting student-produced musical recording , debuting at number eleven on the Top Cast Albums chart in 2010.
Document 13: Ross Lynch: Ross Shor Lynch (born December 29, 1995) is an American singer, songwriter, and actor. He is one of the founding members of the pop rock band R5. As an actor, he is known for his debut role as Austin Moon on the Disney Channel original series "Austin & Ally", and for his role as Brady in the "Teen Beach Movie" series. Lynch is also starring in a new horror/thriller movie called "My Friend Dahmer," where he plays the role of Jeffrey Dahmer in his teenage years. The movie is set to debut in the fall of 2017.
Document 14: Sterling Knight: Sterling Knight (born March 5, 1989) is an American actor and musician. He is best known for playing the roles as Alex in "17 Again", Chad Dylan Cooper in Disney Channel Original Series "Sonny with a Chance" and its spinoff "So Random!", Zander Carlson in "Melissa & Joey", and Christopher Wilde in the Disney Channel Original Movie "Starstruck".
Document 15: Sonny with a Chance (season 2): The second and final season of the television series "Sonny with a Chance" aired on Disney Channel from March 14, 2010 to January 2, 2011. The six main characters are Sonny Monroe (Demi Lovato), Tawni Hart (Tiffany Thornton), Chad Dylan Cooper (Sterling Knight), Nico Harris (Brandon Mychal Smith), Grady Mitchell (Doug Brochu), and Zora Lancaster (Allisyn Ashley Arm).
ground_truth: Zander Carlson