Question: Who is the main character in the sitcom in which Sarah Cahlke plays the role of Stella Zinman?

Context paragraphs:
Stella (UK TV series): Stella is a British comedy-drama created and written by David Peet and Ruth Jones who plays the lead role of Stella.  "Stella" is one of the flagship television comedy series that has been commissioned and aired on Sky 1.  The series is largely filmed in Ferndale in the Rhondda Valley in Wales.  Just as the show reached halfway through the first series, it was confirmed that a second series was commissioned and premiered on 11 January 2013.

List of Stella (UK TV series) episodes: "Stella" is a British comedy-drama created and written by David Peet and Ruth Jones who plays the lead role of Stella.  "Stella" is one of the flagship television comedy series that has been commissioned and aired on Sky1.  The series is largely filmed in Ferndale in the Rhondda Valley in Wales.  Just as the show reached halfway through the first series, it was confirmed that a second series was commissioned and premiered on 11 January 2013.  Just before the second series even aired, Sky recommissioned the show for a third series and premiered on 24 January 2014 with a Christmas Special to follow on 22 December 2014.  As the show reached halfway through the third series, it was confirmed that a fourth series was commissioned and premiered on 6 February 2015.  After the fourth series concluded, it was confirmed that a fifth series was commissioned and premiered on 12 January 2016.  Ruth Jones confirmed to the TV magazine Radio Times, that a Christmas special will air in 2016.

How I Met Your Mother: How I Met Your Mother (often abbreviated to HIMYM) is an American sitcom that originally aired on CBS from September 19, 2005 to March 31, 2014.  The series follows the main character, Ted Mosby, and his group of friends in Manhattan.  As a framing device, Ted, in the year 2030, recounts to his son and daughter the events that led him to meet their mother.

Tehlikeli Oyunlar: Tehlikeli Oyunlar ("Dangerous Plays") is the second novel of Oğuz Atay.  It has been published in 1973.  The main character of the novel is Hikmet Benol.  Atay has stated in his diary that he has tried to create a "negative character" contrary to Selim Işık, who is the main character in his first novel "Tutunamayanlar".  The book was written in stream of consciousness.  It is one of the first and most influential Turkish postmodern novels.

Samantha Carter: Samantha "Sam" Carter, USAF is a fictional character in the Canadian–American military science fiction "Stargate" franchise.  Played by Amanda Tapping, she appears in all three shows in the franchise: "Stargate SG-1", "Stargate Atlantis", and "Stargate Universe".  She was a main character in all ten seasons of "Stargate SG-1" (1997–2007).  Following a recurring role in "Stargate Atlantis" for three seasons (2004–07), Carter became a main character in Season 4 of "Atlantis" (2007–08), and also appeared in the 2008 direct-to-DVD "SG-1" films "" and "".  Amanda Tapping accepted a starring role in "Sanctuary" and appears in only the first and last episodes in Season 5 of "Atlantis" (2008–09).  Carter also appears in two episodes of Season 1 of "Stargate Universe."

Sarah Chalke: Sarah Chalke ( ; born August 27, 1976) is a Canadian actress.  She is known for portraying Dr. Elliot Reid on the NBC/ABC comedy series "Scrubs", the second Rebecca "Becky" Conner on the ABC sitcom "Roseanne", Stella Zinman on the CBS sitcom "How I Met Your Mother", and Beth Smith on Adult Swim's adult animated science-fiction series "Rick and Morty".  She also had a recurring role on the third season of the ABC/TBS sitcom "Cougar Town".

Snapper Carr: Lucas "Snapper" Carr is a fictional character appearing in American comic books published by DC Comics.  The character, whose fictional nickname is almost always used by other characters in favor of his given name, was created by Gardner Fox (writer) and Mike Sekowsky (penciller), and made his first appearance in "The Brave and the Bold" in February 1960.  From 1960 to 1969, Snapper Carr appeared as a supporting character to the Justice League of America, a superhero team.  The character occasionally appeared in comics featuring the Justice League from 1969 to 1989, when the "Invasion! " limited-series comic book gave him superpowers.  He was associated with a new superhero team, The Blasters, in various comics until 1993, when he lost his powers and became a main character in the "Hourman" comic book.  After the cancellation of "Hourman" in April 2001, he became a main character in the "Young Justice" comic book beginning in December 2001.  "Young Justice" was cancelled in May 2003, and he became associated with the governmental organization Checkmate, a role revealed when the character played a small but important role in the 2007-2008 limited series comic book "52 Aftermath: The Four Horsemen".  The character made major appearances in "Final Crisis: Resist" in December 2008 and "Justice League of America 80-Page Giant" in November 2009.

Gunston Street: Gunston Street is a weekly comic strip that is written and illustrated by Basil Zaviski.  The main character Phil, is based on Basil's father Phillip Zaviski, who served with Basil in the same National Guard Unit for over 7 years.  Although the main character is based on his father, the strips are that of Basil Zaviski's experiences.  The heavy leaning storyline of the main character "Phil" tends to focus on the life and times of your average Army National Guardsman and their daily struggles with deployments, family and combat.

The Mark of the Berserker: The Mark of the Berserker is a story of "The Sarah Jane Adventures" which was broadcast on CBBC on 3 and 10 November 2008.  It is the fourth serial of the second series.  Due to Elisabeth Sladen's commitments elsewhere, main character Sarah Jane has a minor role in this serial, making the episodes similar to the 'Doctor-lite' episodes of Doctor Who ("Love & Monsters", "Blink", "Turn Left" and "The Girl Who Waited") which do not feature The Doctor heavily, as well as the "Torchwood" episode "Random Shoes", which had minor roles for most of the main cast.

Stella Price: Stella Price is a fictional character from the British ITV soap opera, "Coronation Street", played by Michelle Collins.  Collins' casting was announced in April 2011 and she began filming her scenes in May.  The actress commutes from north London to Manchester for filming.  Collins joined the show in order to have the financial security to ensure that her daughter can go to university.  Collins, who is from the south of England, uses a northern accent for the role of Stella as "Coronation Street" is set in Manchester.  She made her first on-screen appearance during the episode broadcast on 16 June 2011.  Stella was introduced along with her boyfriend, Karl Munro (John Michie), and her daughter, Eva (Catherine Tyldesley).  In August 2013, it was announced that Collins would be leaving the soap and she filmed her final scenes on 19 February 2014.  Stella departed on 2 April 2014.

Supporting paragraphs: Sarah Chalke How I Met Your Mother
Answer: Ted Mosby