Question: What is the name of the pet dog who starred in the 247th episode of Family Guy on Fox?

full_context: Document 1: The Simpsons Guy: "The Simpsons Guy" is the first episode of the thirteenth season of the American animated television series "Family Guy", and the 232nd overall episode. "The Simpsons Guy" is a 45-minute-long crossover with "The Simpsons", and was written by Patrick Meighan and directed by Peter Shin. It originally aired in the United States on September 28, 2014, on Fox, where both "The Simpsons" and "Family Guy" have aired since their respective debuts.
Document 2: Family Guy: Family Guy is an American animated sitcom created by Seth MacFarlane for the Fox Broadcasting Company. The series centers on the Griffins, a family consisting of parents Peter and Lois; their children, Meg, Chris, and Stewie; and their anthropomorphic pet dog, Brian. The show is set in the fictional city of Quahog, Rhode Island, and exhibits much of its humor in the form of cutaway gags that often lampoon American culture.
Document 3: Family Guy (season 7): "Family Guy"'s seventh season first aired on the Fox network in sixteen episodes from September 28, 2008 to May 17, 2009 before being released as two DVD box sets and syndicated. The animated television series follows the dysfunctional Griffin family (father Peter, mother Lois, daughter Meg, son Chris, baby Stewie and their anthropomorphic dog Brian), who reside in the town of Quahog. The show features the voices of series creator Seth MacFarlane, Alex Borstein, Seth Green, and Mila Kunis in the roles of the Griffin family. The executive producers for the seventh season were MacFarlane, Danny Smith, David Goodman and Chris Sheridan. Goodman and Sheridan served as showrunners for season seven.
Document 4: Stewie Griffin: Stewart Gilligan "Stewie" Griffin is a main character from the American animated television series "Family Guy". Initially obsessed with violence and matricide, Stewie (voiced by Seth MacFarlane) is the youngest child of Peter and Lois Griffin, and the brother of Meg and Chris Griffin. Over the duration of the series, the violent aspects of Stewie's personality have been toned down, and he has evolved into a more eccentric, flamboyant character. He has also come to have a very close friendship with the family's anthropomorphic dog, Brian. Stewie is considered to be the show's breakout character. "Wizard" magazine rated him the 95th greatest villain of all time.
Document 5: Brian Griffin: Brian Griffin is a fictional character from the American animated television series "Family Guy". An anthropomorphic white dog voiced by Seth MacFarlane, he is one of the show's main characters as a member of the Griffin family. He primarily works in the series as a less-than-adept writer struggling to find himself, attempting essays, novels, screenplays, and newspaper articles.
Document 6: Roasted Guy: "Roasted Guy" is the sixteenth episode of the 13th season of the animated sitcom "Family Guy", and the 247th episode overall. It aired on Fox in the United States on April 26, 2015, and is written by Andrew Goldberg and directed by Joe Vaux.
Document 7: Griffin family: The Griffin family is a cartoon family from the animated television series "Family Guy". The Griffins are a nuclear family consisting of the married couple Peter and Lois, their three children Meg, Chris, and Stewie, and their dog Brian.They live at 31 Spooner Street in the fictional town of Quahog, Rhode Island. Their family car is a red sixth-generation Ford Country Squire. They were created by Seth MacFarlane, in model of his two animated films, "The Life of Larry" and "Larry & Steve". The family debuted January 31, 1999, after Super Bowl XXXIII, in the episode "Death Has a Shadow."
Document 8: Family Guy (season 5): "Family Guy"'s fifth season first aired on the Fox network in eighteen episodes from September 10, 2006 to May 20, 2007 before being released as two DVD box sets and in syndication. It premiered with the episode "Stewie Loves Lois" and finished with "Meet the Quagmires". The series follows the dysfunctional Griffin family—father Peter, mother Lois, daughter Meg, son Chris, baby Stewie and Brian, the family pet, who reside in their hometown of Quahog. The executive producers for the fifth season were David Goodman, Chris Sheridan, Danny Smith and series creator Seth MacFarlane. Sheridan and Goodman served as showrunners for the fifth season.
Document 9: Father of the Bob: "Father of the Bob" is the sixth episode of the fifth season of the animated comedy series "Bob's Burgers" and the overall 73rd episode, and is written by Steven Davis and Kelvin Yu and directed by Chris Song. It aired on Fox in the United States on December 7, 2014.
Document 10: Peter Griffin: 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".
Document 11: Treehouse of Horror XVI: "Treehouse of Horror XVI" is the fourth episode of the seventeenth season of "The Simpsons". It first aired on the Fox network in the United States on November 6, 2005. In the sixteenth annual "Treehouse of Horror", the Simpsons replace Bart with a robot son after Bart falls into a coma, Homer and various other male characters find themselves on a reality show where Mr. Burns hunts humans for sport, and costumed Springfieldians become whatever they are wearing, thanks to a witch who was disqualified from a Halloween costume contest. It was written by Marc Wilmore and directed by David Silverman. Terry Bradshaw and Dennis Rodman guest star as themselves. Around 11.63 million Americans tuned in to watch the episode during its original broadcast.
Document 12: A Very Special Family Guy Freakin' Christmas: "A Very Special Family Guy Freakin' Christmas" is the sixteenth episode of "Family Guy"' s third season. It originally aired on Fox on December 21, 2001. In the episode, it is Christmas time in Quahog, a time when Lois's plans for a perfect holiday blow up in her face, causing her to have a mental breakdown. Stewie uses his role as the baby Jesus in the town play to be good for Santa Claus, about whom he has become paranoid, and show Lois the true meaning of Christmas.
Document 13: List of Family Guy guest stars: "Family Guy" is an American adult animated sitcom created by Seth MacFarlane for the Fox Broadcasting Company. Along with its core voice actors, the show has had its history of guest stars. The series centers on the Griffins, a family consisting of parents Peter and Lois; their children Meg, Chris, and Stewie; and their anthropomorphic pet dog Brian. The show is set in the fictional city of Quahog, Rhode Island, and exhibits much of its humor in the form of cutaway gags that often lampoon American culture.
Document 14: A House Full of Peters: "A House Full of Peters" is the twentieth episode and season finale of the fifteenth season of the animated sitcom "Family Guy", and the 289th episode overall. It aired on Fox in the United States on May 21, 2017, and is written by Chris Sheridan and directed by Joseph Lee.
Document 15: Candy, Quahog Marshmallow: "Candy, Quahog Marshmallow" is the tenth episode of the fourteenth season of the animated sitcom "Family Guy", and the 259th episode overall. It aired on Fox in the United States on January 3, 2016, and is written by Cherry Chevapravatdumrong and directed by Joseph Lee. In the episode, Peter discovers that Quagmire was once a Korean soap star and they travel to South Korea to find the final tape of the series.
ground_truth: Brian