Question: Who wrote the seventh episode of the second season of the animated sitcom created by Seth MacFarlane, Mike Barker, and Matt Weitzman?
Context: "American Dad! " is an American adult animated sitcom created by Seth MacFarlane, Mike Barker, and Matt Weitzman, for the Fox Broadcasting Company.  Set in the fictional town of Langley Falls, Virginia, the series centers on the eccentric Smith family.  The Smith family consists of title character Stan, Francine, Hayley, Steve, Roger, an alien whom Stan has rescued from government capture and harbors in the family's attic; Jeff Fischer, Hayley's boyfriend and eventual husband; and Klaus, the family's pet who is really an East German man trapped by the CIA in a fish's body. "Family Guy" is an American animated television sitcom created by Seth MacFarlane for the Fox Broadcasting Company.  The series centers on the dysfunctional Griffin family, which consists of father Peter (MacFarlane), mother Lois (Alex Borstein), daughter Meg (Lacey Chabert in episodes 1–9, then Mila Kunis in "Da Boom" onwards), son Chris (Seth Green), baby Stewie (MacFarlane) and Brian (MacFarlane), the family dog.  The show is set in the fictional town of Quahog, Rhode Island, and lampoons American culture, often in the form of cutaway gags, and tangential vignettes. American Dad!  is an American adult animated sitcom created by Seth MacFarlane, Mike Barker, and Matt Weitzman for the Fox Broadcasting Company.  "American Dad!"  is the first television series to have its inception on Animation Domination.  The series premiere aired on February 6, 2005, following Super Bowl XXXIX, three months before the rest of the first season aired as part of the Animation Domination block, commencing on May 1, 2005. The following is a list of guest stars in the Fox animated television series "American Dad! " in alphabetical order by first name.  The series was created by Seth MacFarlane (Family Guy), Mike Barker and Matt Weitzman, who all also serve as executive producers. "American Dad!s fifth season"' originally aired on the Fox network from September 28, 2008, to May 17, 2009.  It consisted of twenty episodes and was released as two DVD box sets and in syndication. " American Dad! " follows the dysfunctional Smith family—father Stan, mother Francine, daughter Hayley, son Steve, the pet fish Klaus, and extraterrestrial alien Roger, all of whom reside in their hometown of Langley Falls, Virginia.  Season 5, which premiered with the episode "1600 Candles" and ended with "Stan's Night Out", was executive produced by David Zuckerman, Kenny Schwartz, Rick Wiener, Richard Appel, Matt Weitzman, Mike Barker, and series creator Seth MacFarlane.  Weitzman and Barker served as the season's showrunners. Peter Griffin is the main protagonist and title character of the American animated sitcom "Family Guy".  He is voiced by cartoonist Seth MacFarlane and first appeared on television, along with the rest of the family, in the 15-minute pilot pitch of "Family Guy" on December 20, 1998.  Peter was created and designed by MacFarlane himself.  MacFarlane was asked to pitch a pilot to the Fox Broadcasting Company based on "Larry & Steve", a short made by MacFarlane which featured a middle-aged character named Larry and an intellectual dog, Steve.  After the pilot was given the green light, the Griffin family appeared in the episode "Death Has a Shadow". Roger Smith (born Wogir) is a fictional character in the adult animated sitcom "American Dad! ", voiced by Seth MacFarlane.  The character was created and designed by Seth MacFarlane.  Roger is a centuries-old grey space alien living with the Smith family, around whom the show revolves.  Having lived on Earth since 1947, Roger came to live with the Smiths after rescuing main character Stan Smith at Area 51 four years prior to the beginning of the series. The pilot episode of "American Dad! " originally aired on Fox in the United States on February 6, 2005, just after Super Bowl XXXIX.  It follows Stan, who rigs a school election to make his son Steve popular; but he becomes drunk with power and ends up going crazy.  The episode was written by series co-creators Seth MacFarlane, Mike Barker and Matt Weitzman.  The episode features a guest appearance by Carmen Electra. "Stannie Get Your Gun" is the seventh episode of the second season and the fourteenth overall episode of the animated comedy series "American Dad! ".  It aired on Fox in the United States on November 20, 2005, and is written by Brian Boyle and directed by John Aoshima. Matt Weitzman (born November 13, 1967) is one of the creators of "American Dad! " along with Mike Barker and Seth MacFarlane.  MacFarlane has credited Weitzman and Barker with "American Dad!"'  s success and longevity, stating that they have been in charge of creative direction over the series.  Barker and Weitzman were originally writers for Family Guy.  Weitzman has also written on twelve television shows including "Daddy Dearest", "Off Centre" and "Damon".
Answer: Brian Boyle