Question: Who was Joe Cornish's co-writer of "Ant-Man" that served as head writer for "Saturday Night Live"?

Context paragraphs:
Saturday Night Live from Milano: Saturday Night Live from Milano, Also known as Saturday Night Live Italy, was the Italian localisation of the popular US-comedy television series "Saturday Night Live", shown on Mediaset television channel Italia 1 from 2006.

Adam McKay: Adam McKay (born April 17, 1968) is an American film director, producer, screenwriter, comedian, and actor.  McKay served as head writer for the NBC sketch comedy series "Saturday Night Live" for two seasons.  He directed "" (2004), "" (2006), "Step Brothers" (2008), "The Other Guys" (2010), and "" (2013).  McKay has a creative partnership with actor Will Ferrell, with whom he co-wrote all except one of these films.

Ant-Man (film): Ant-Man is a 2015 American superhero film based on the Marvel Comics characters of the same name: Scott Lang and Hank Pym.  Produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures, it is the twelfth film of the Marvel Cinematic Universe (MCU).  The film was directed by Peyton Reed, with a screenplay by the writing teams Edgar Wright and Joe Cornish, and Adam McKay and Paul Rudd, and stars Rudd, Evangeline Lilly, Corey Stoll, Bobby Cannavale, Michael Peña, Tip "T.I." Harris, Anthony Mackie, Wood Harris, Judy Greer, David Dastmalchian, and Michael Douglas.  In "Ant-Man", Lang must help defend Pym's Ant-Man shrinking technology and plot a heist with worldwide ramifications.

30 Rock: 30 Rock is an American satirical television sitcom created by Tina Fey that ran on NBC from October 11, 2006, to January 31, 2013.  The series, loosely based on Fey's experiences as head writer for "Saturday Night Live", takes place behind the scenes of a fictional live sketch comedy show depicted as airing on NBC.  The series's name refers to 30 Rockefeller Plaza in New York City, the address of the Comcast Building, where the NBC Studios are located and where "Saturday Night Live" is written, produced, and performed.  This series is produced by Broadway Video and Little Stranger, Inc., in association with NBCUniversal.

List of Saturday Night Live episodes: <section begin=head />"Saturday Night Live" ("SNL") is a late-night sketch comedy and variety show created by Lorne Michaels.  It premiered on NBC, a terrestrial television network, on October 11, 1975 under the title "NBC's Saturday Night".  The show often satirizes contemporary American popular culture and politics.  "Saturday Night Live" features a two-tiered cast: the repertory members, also known as the "Not Ready for Prime-Time Players," and newer cast members, known as "Featured Players."  Each week, the show features a host, often a well-known celebrity, who delivers an opening monologue and performs in sketches with the cast.  A musical guest is also invited to perform several sets (usually two, and occasionally more).  Every so often a host or musical guest will fill both roles, such as was the case with Britney Spears in 2000 and 2002, Jennifer Lopez in 2001 and 2010, Justin Timberlake in 2003, 2006 and 2013, Taylor Swift in 2009, Bruno Mars in 2012, Lady Gaga in 2013, Miley Cyrus in 2013 and 2015, Drake in 2014 and 2016, Blake Shelton in 2015, and Ariana Grande in 2016.  With the exception of Season 7 and several other rare cases, the show has begun with a cold open that ends with someone breaking character and proclaiming "Live from New York, it's Saturday Night! "

Joe Cornish: Joseph Murray Cornish (born 20 December 1968) is an English comedian, television and radio presenter, film director, writer and actor, who together with his long-time comedy partner, Adam Buxton, forms the comedy duo Adam and Joe.  In 2011, Cornish released his directorial debut "Attack the Block".  He has also co-written "", with Steven Moffat and Edgar Wright, and "Ant-Man", with Wright, Adam McKay and Paul Rudd.

Wayne's World: "Wayne's World" was originally a recurring sketch from the NBC television series "Saturday Night Live".  It evolved from a segment titled "Wayne's Power Minute" (1987) on the CBC Television series "It's Only Rock & Roll", as the main character first appeared in that show.  The "Saturday Night Live" sketch spawned two films, and several catchphrases which have since entered the pop-culture lexicon.  The sketch centered on a local public-access television program in Aurora, Illinois, hosted by Wayne Campbell (Mike Myers, the same actor from "Wayne's Power Minute"), an enthusiastic and sardonic long-haired metalhead, and his timid and sometimes high-strung, yet equally metal-loving sidekick and best friend, Garth Algar (Dana Carvey).  Wayne lives with his parents and broadcasts his show "live" from the basement of their house every Friday evening at 10:30.  The first "Wayne's World" sketch appeared in the 13th "Saturday Night Live" episode of 1988/1989.

A Night at the Roxbury: A Night at the Roxbury is a 1998 American comedy film based on a recurring skit on television's long-running "Saturday Night Live" called "The Roxbury Guys".  "Saturday Night Live" regulars Will Ferrell, Chris Kattan, Molly Shannon, Mark McKinney and Colin Quinn star.  This film expands on the original Saturday Night Live sketches where the Roxbury Guys were joined by that week's host, and bobbed their heads to Haddaway's hit song "What Is Love" while being comically rejected by women at various clubs.

SNL Studios: SNL Studios is a production company, founded in July 1997 as a joint venture between "Saturday Night Live" executive producer Lorne Michaels and NBC Studios (now Universal Television, the production arm of NBCUniversal).  While this venture also initially included Paramount Pictures, it was dissolved following NBC's merger with Universal Studios.  On the television side, SNL Studios produces "Saturday Night Live" in association with Broadway Video.  Film productions, typically offshoots of Saturday Night Live' sketches, include, among others, "A Night at the Roxbury" and "Superstar".

Adam and Joe (radio show): Adam and Joe is a Sony Award winning radio show on BBC Radio 6 Music presented by Adam and Joe - comedians Adam Buxton and Joe Cornish.  The show began in October 2007 and ran for three hours in a Saturday morning slot, originally from 9:00am to 12:00pm before moving to 10:00am to 1:00pm.  After a hiatus from 26 December 2009, the series returned for three months on 2 April 2011.  The show also briefly returned in late 2012 with Edith Bowman replacing Joe Cornish as Adam's co-presenter.

Supporting paragraphs: Joe Cornish Adam McKay
Answer: Adam McKay