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

full_context: Document 1: Adam Buxton: Adam Offord Buxton (born 7 June 1969) is an English comedian, writer and actor. He forms one half of the duo Adam and Joe, with filmmaker Joe Cornish. The pair presented "Adam and Joe" on BBC Radio 6 Music, whilst Buxton also presented his own show on 6 Music on Sundays, called "Adam Buxton's Big Mix Tape". In 2012–2013 Buxton presented another radio show for BBC 6 Music, co-hosting with Edith Bowman. When not presenting on radio and television or recording podcasts, Buxton hosts "Bug", a humorous exploration of music videos through YouTube comments, which also had a televised version in 2012. He has also guested on various comedy panel shows such as "Never Mind the Buzzcocks" and "8 Out of 10 Cats Does Countdown".
Document 2: Wake Up, Ron Burgundy: The Lost Movie: Wake Up, Ron Burgundy: The Lost Movie (also known as Anchorman: The Adventure Continues) is the 2004 counterpart film to the film "", which was also released in the same year. Directed by Adam McKay and written by McKay and Will Ferrell, it stars Ferrell, Christina Applegate, David Koechner, Steve Carell, and Paul Rudd.
Document 3: Jason Sudeikis: Daniel Jason Sudeikis ( ; born September 18, 1975) is an American actor, comedian and screenwriter. He began his career in improv comedy. In 2003, he was hired as a sketch writer for "Saturday Night Live" and was a cast member from 2005 to 2013. He has appeared on television in "30 Rock", "The Cleveland Show", "Eastbound & Down", "The Last Man on Earth", and other shows. He starred in the films "Horrible Bosses" (2011), "Hall Pass" (2011), "We're the Millers" (2013), "Horrible Bosses 2" (2014), "Sleeping with Other People" (2015), "Tumbledown" (2015), "The Book of Love" (2016) and "Race" (2016).
Document 4: Chris McKay: Chris McKay, also known as Chris Taylor, is an American film and television director, producer, editor, animator, and visual effects artist. He is best known for directing and editing three seasons of "Robot Chicken" and two seasons of "Moral Orel". He worked as an animation co-director on "The Lego Movie" (2014) with Phil Lord and Christopher Miller. He made his feature film directorial debut with "The Lego Batman Movie" (2017)"." He is attached to direct a live-action film about Nightwing.
Document 5: 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.
Document 6: 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.
Document 7: Nick Frost: Nicholas John Frost (born 28 March 1972) is an English actor, comedian, screenwriter, producer and author. He is best known for his work in the "Three Flavours Cornetto trilogy" of films, consisting of "Shaun of the Dead" (2004), "Hot Fuzz" (2007), and "The World's End" (2013), and the television comedy "Spaced" (1999–2001). He also appeared in Joe Cornish's film "Attack the Block" (2011). He co-starred in the 2011 film "Paul", which he co-wrote with frequent collaborator and friend Simon Pegg. He is also well known for his various roles in the sketch show "Man Stroke Woman".
Document 8: The Adam and Joe Show: The Adam and Joe Show is a British television comedy show, written and presented by Adam and Joe (Adam Buxton and Joe Cornish), which ran for four series on Channel 4 between 1996 and 2001. All four series are available free to watch on All 4, but currently only a compilation of the best of the entire run is available on DVD, however all episodes are available on iTunes.
Document 9: Adam DeVine: Adam Patrick DeVine (born November 7, 1983) is an American actor, comedian, singer, voice actor, screenwriter and producer. He is a star and co-creator of the Comedy Central series "Workaholics", as well as "Adam DeVine's House Party".
Document 10: 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.
Document 11: Adam Scott (actor): Adam Paul Scott (born April 3, 1973) is an American actor, comedian, director, screenwriter, producer, and podcaster. He is best known for his role as Ben Wyatt in the NBC sitcom "Parks and Recreation". He has also appeared as Derek in the film "Step Brothers", Henry Pollard in the Starz sitcom "Party Down", and Ed Mackenzie in the HBO series "Big Little Lies".
Document 12: Edgar Wright: Edgar Howard Wright (born 18 April 1974) is an English director, screenwriter, producer, and actor. He is best known for his comedic "Three Flavours Cornetto" film trilogy—comprising "Shaun of the Dead" (2004), "Hot Fuzz" (2007), and "The World's End" (2013)—made with recurrent collaborators Simon Pegg, Nira Park, and Nick Frost. He had previously collaborated with them as the director of the television series "Spaced" (1999–2001).
Document 13: Attack the Block: Attack the Block is a 2011 British science fiction horror comedy film written and directed by Joe Cornish and starring John Boyega, Nick Frost, Jodie Whittaker and Luke Treadaway. It was the film debut of Cornish, Boyega and future Academy Award-winning composer Steven Price.
Document 14: Will Ferrell: John William Ferrell ( ; born July 16, 1967) is an American actor, comedian, producer, and writer. He first established himself in the mid-1990s as a cast member on the NBC sketch comedy show "Saturday Night Live", and has subsequently starred in comedy films such as "" (2004), "" (2006), "Step Brothers" (2008), "The Other Guys" (2010) and "" (2013), all but one of which he co-wrote with his comedy partner Adam McKay. The two also founded the comedy website Funny or Die in 2007. Other films roles include "Elf", "Old School" (both 2003), "Blades of Glory" (2007), and the animated films "Megamind" (2010) and "The Lego Movie" (2014).
Document 15: Adam and Joe: Adam Buxton and Joe Cornish are British comedy performers known together as Adam and Joe. They are best known for presenting "Adam and Joe" on BBC Radio 6 Music (2007-2009, 2011) and "The Adam and Joe Show" on Channel 4 (1996-2001).
ground_truth: Adam McKay