Question: Which character does Alex Borstein voice in the animated comedy series Family Guy?
Context: The second season of the animated comedy series "Family Guy" aired on Fox from September 23, 1999 to August 1, 2000, and consisted of 21 episodes.  The series follows the dysfunctional Griffin family—father Peter, mother Lois, daughter Meg, son Chris, baby Stewie and their anthropomorphic dog Brian, all of whom reside in their hometown of Quahog.  The show features the voices of series creator Seth MacFarlane, Alex Borstein, Seth Green, Lacey Chabert and later Mila Kunis in the roles of the Griffin family.  The executive producers for the second production season were David Zuckerman and MacFarlane; the aired season also contained eight episodes which were holdovers from season one. "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. "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. ParaNorman is a 2012 American 3D stop-motion animated comedy horror film produced by Laika, distributed by Focus Features and was released on August 17, 2012.  It stars the voices of Kodi Smit-McPhee, Tucker Albrizzi, Anna Kendrick, Casey Affleck, Christopher Mintz-Plasse, Leslie Mann, Jeff Garlin, Elaine Stritch, Bernard Hill, Jodelle Ferland, Tempestt Bledsoe, Alex Borstein and John Goodman.  It is the first stop-motion film to use a 3D color printer to create character faces and only the second to be shot in 3D.  The film mainly received positive reviews and was a modest box office success, earning $107 million against its budget of $60 million.  The film received nominations for the 2012 Academy Award for Best Animated Feature and BAFTA Award for Best Animated Film. Family Guy: The Quest for Stuff is a freemium video game for Kindle, iOS, Android, Windows Phone 8 and Windows 8.1 based on the American animated series "Family Guy" released by Fox Digital Entertainment and developer TinyCo.  It allows users to create and run their own version of Quahog using familiar characters and buildings.  It features an original story conceived by the show's writers in which Quahog has been destroyed and it is up to the player to bring it back to its former glory.  Some of the show's main actors, like Seth MacFarlane (Peter, Stewie, Brian), Alex Borstein (Lois), Mila Kunis (Meg), and Seth Green (Chris) collaborated with TinyCo for the project. "Family Guy" is an American animated sitcom that features five main voice actors, and numerous regular cast and recurring guest stars.  The principal voice cast consists of show creator Seth MacFarlane, Alex Borstein, Mila Kunis (who replaced Lacey Chabert after the first season), Seth Green, and Mike Henry.  Recurring voice actors include Patrick Warburton, Adam West, John G. Brennan, Nicole Sullivan and Jennifer Tilly, and repeat guest stars include Phyllis Diller, Charles Durning, Rush Limbaugh, and Phil LaMarr. Lois Patrice Griffin (née Pewterschmidt) is one of the main characters of the American animated television series "Family Guy".  She is voiced by writer Alex Borstein and first appeared on television, along with the rest of the family, in the 15-minute short on December 20, 1998.  Lois was created and designed by series creator Seth MacFarlane.  MacFarlane was asked to pitch a pilot to the Fox Broadcasting Company based on "Larry and Steve", a short he made 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 on the episode "Death Has a Shadow". Alexandrea "Alex" Borstein (born February 15, 1971) is an American actress, writer, producer, and comedian.  She has performed the long-running role as Lois Griffin on the animated television series "Family Guy", and as a cast member on the sketch comedy series "MADtv".  A native of Deerfield, Illinois, Borstein is a graduate of San Francisco State University, where she studied rhetoric.  She was trained in improvisational comedy at the ACME Comedy Theatre, near Hollywood, California, and was selected to join "MADtv" after being scouted by talent agents who noticed her work at the theatre.  She was a writer and voice actor for several television shows, including "Casper", "Pinky and the Brain", and "", before joining the cast of "MADtv" as a featured player, and later as a repertory player in 1997. Family Guy: Live in Vegas is a soundtrack album for the American animated television series "Family Guy".  It was released on April 26, 2005 by Geffen Records.  It was composed by Walter Murphy and creator Seth MacFarlane.  The album features only one song from the series, the theme song, the rest of the songs were composed exclusively for the album.  It features vocals from Seth MacFarlane, Alex Borstein, Seth Green, Mike Henry, Mila Kunis, Adam West and Lori Alan, as well as Jason Alexander, Patti LuPone and Haylie Duff as guest stars.  It includes Rat Pack- and Broadway-inspired songs. The first season of the animated comedy series "Family Guy" aired on Fox from January 31 to May 16, 1999, and consisted of seven episodes.  The series follows the dysfunctional Griffin family—father Peter, mother Lois, daughter Meg, son Chris, son Stewie and their anthropomorphic dog Brian, all of whom reside in their hometown of Quahog.  The show features the voices of series creator Seth MacFarlane, Alex Borstein, Seth Green, and Lacey Chabert in the roles of the Griffin family.  The executive producers for the first season were David Zuckerman and MacFarlane.
Answer: Lois Griffin