The Affair is an American television drama series created by Sarah Treem and Hagai Levi.
 The series premiered on Showtime on October 12, 2014.
 A TV-14 version of the pilot episode was made available online beginning on October 6, 2014, via YouTube, SHO.com, and several other on-demand formats.
David A. Goodman is an American writer and producer and a graduate of the University of Chicago, where he earned a BA in 1984.
 He was one of the executive producers of "Family Guy", beginning its fourth season, joining the show as a co-executive producer in season three.
 He was also a writer for several television series, such as "The Golden Girls" (his first job), "Futurama" (where he was also a co-executive producer, and writer of the famous "Futurama" "Star Trek" parody episode "Where No Fan Has Gone Before") and "".
 David Goodman also produced "".
 He is also the writer for "", a 2010 film based on the Fred Figglehorn YouTube series and the sequel "".
Douglas "Doug" Petrie is an American screenwriter, director, and producer.
 Best known as a writer, director, and co-executive producer on "Buffy the Vampire Slayer".
 He co-wrote the screenplays for the "Fantastic Four" film and "Harriet the Spy".
 He has also written for the television shows "Angel", "The 4400", "Tru Calling" and "".
 He served as a co-executive producer and writer for two seasons on "" and as a consulting producer and writer on the second season of "Pushing Daisies".
 He made a cameo on Joss Whedon's web-based film, "Dr. Horrible's Sing-Along Blog", as "Professor Normal".
 He served as co-executive producer on the first season of the Netflix show "Daredevil", and took over as showrunner for its second season alongside Marco Ramirez.
 In April 2016 Petrie and Ramirez were announced as showrunners of "The Defenders", a miniseries that crosses over "Daredevil", "Jessica Jones", "Luke Cage", and "Iron Fist".
Sarah Treem is an American TV writer-producer and playwright.
 She is the co-creator and showrunner of the Golden Globe-winning Showtime drama "The Affair", which won for Outstanding Drama Series, and was a writer and co-executive producer on the inaugural season of "House of" Cards, which was nominated for nine Golden Globes, including Outstanding Drama Series.
 She also wrote on all three seasons of the HBO series "In Treatment".
Gregori J. Martin (born Gregorio Barbieri Jr. on May 6, 1978) is a multiple Emmy Award-winning producer and the founder, CEO, and president of LANY Entertainment (formerly known as LANYfilms Productions) an independent bi-coastal entertainment company.
 Martin is best known for his two-time Emmy winning and three-time Emmy-nominated indie soap opera web series "The Bay", for which he won the 2015 Daytime Emmy Award for Outstanding New Approaches Drama Series and the 2016 Daytime Emmy Award for Outstanding Digital Daytime Drama Series.
 Martin is also known for the theatrically released independent vampire thriller "Raven", a feature film produced by GruntWorks Entertainment where he originally served as a producer, director and as president for approximately four years.
 Martin is currently in development on a six-hour miniseries titled "The Disciples" that was sold to Sony Entertainment and serves as co-executive producer and head writer of the made-for-TV miniseries.
 Martin also serves as co-executive producer and director of the new situation comedy "This Just In" for Associated Television International (ATI).
 Martin was awarded the 2011 Indie Series Award for Outstanding Directing for his work on "The Bay" and was again nominated in 2016.
The How and the Why is a play by Sarah Treem, a staff writer for HBO 's "In Treatment".
 The play depicts two women biologists meeting for the first time, one near the end of her career and one who is just beginning.
 The older woman has earned fame for her work on the Grandmother hypothesis and the younger wants to present a radical new hypothesis to explain why human women menstruate, while most mammals do not.
 The play deals with the workings of science and its impact on the personal lives of women scientists.
"The Affair" is an American television drama series created by Sarah Treem and Hagai Levi.
 The series premiered on Showtime on October 12, 2014.
 Its second season premiered on October 4, 2015.
 On December 9, 2015, the series was renewed for a third season, which debuted on November 20, 2016.
 On January 9, 2017, Showtime renewed the series for a fourth season.
"The Problem Solvers" is the of the fourth season of the American television comedy series "30 Rock", and the 63rd overall episode of the series.
 It was written by co-executive producer Ron Weiner and directed by co-executive producer John Riggi.
 It originally aired on the National Broadcasting Company (NBC) network in the United States on November 12, 2009.
 Guest stars in the episode include Josh Fadem, Cheyenne Jackson, Padma Lakshmi, and Shawn Levy.
House of Cards is an American political thriller web television series created by Beau Willimon.
 It is an adaptation of the BBC's miniseries of the same name and is based on the novel by Michael Dobbs.
 The thirteen-episode first season premiered on February 1, 2013, on the streaming service Netflix.
 Thirteen-episode seasons followed on February 14, 2014; February 27, 2015; March 4, 2016; and May 30, 2017.
 Willimon has stated that plans for the show's future are decided after each season.
"Let's Stay Together" is the of the fifth season of the American television comedy series "30 Rock", and the 83rd overall episode of the series.
 It was directed by co-executive producer John Riggi and written by co-executive producer Jack Burditt.
 The episode originally aired on the National Broadcasting Company (NBC) network in the United States on October 7, 2010.
 Guest stars in this episode include John Amos, Todd Buonopane, Reg E. Cathey, Queen Latifah and Rob Reiner.

Question: Who created the series Sarah Treem was co-executive producer for the inaugural season of?
Answer: Beau Willimon