Question: "Verna" is the twelfth episode of the fourth season of the American television comedy series "30 Rock", and the 70th overall episode of the series, which former SNL cast member guest stars as the title character of this episode, an American actress and comedian best known for her work on "Saturday Night Live", where she was a repertory player from 1986–91?

full_context: Document 1: Jan Hooks: Janet Vivian "Jan" Hooks (April 23, 1957 – October 9, 2014) was an American actress and comedian best known for her work on "Saturday Night Live", where she was a repertory player from 1986–91, and continued making cameo appearances until 1994. Her subsequent work included a regular role on the final two seasons of "Designing Women", a recurring role on "3rd Rock from the Sun" and a number of other roles in film and television.
Document 2: Secret Santa (30 Rock): "Secret Santa" is the eighth episode of the fourth season of the American television comedy series "30 Rock", and the 66th overall episode of the series. The episode was written by series' creator Tina Fey and directed by Beth McCarthy-Miller. It originally aired on the National Broadcasting Company (NBC) in the United States on December 10, 2009. The episode featured appearances by actors Cheyenne Jackson as Danny Baker, Julianne Moore as Nancy Donovan, and Larry Wilcox playing himself.
Document 3: Verna (30 Rock): "Verna" is the twelfth episode of the fourth season of the American television comedy series "30 Rock", and the 70th overall episode of the series. The episode was written by co-executive producer Ron Weiner and directed by series producer Don Scardino. It originally aired on the National Broadcasting Company (NBC) network in the United States on February 4, 2010. Former SNL cast member Jan Hooks guest stars as the title character of this episode.
Document 4: Joan Rivers: Joan Alexandra Molinsky (June 8, 1933 – September 4, 2014), widely known as Joan Rivers, was an American comedian, actress, writer, producer, and television host. She was noted for her often controversial comedic persona—alternatingly self-deprecating or sharply acerbic, especially toward celebrities and politicians.
Document 5: I Do Do: "I Do I Do" is the and season finale of the fourth season of the American television comedy series "30 Rock", and the 80th overall episode of the series. It was directed by series producer Don Scardino, and written by series creator, executive producer and lead actress Tina Fey. The episode originally aired on the National Broadcasting Company (NBC) network in the United States on May 20, 2010. Guest stars in this episode include Elizabeth Banks, Craig Castaldo, Matt Damon, Will Forte, Susan Heyward, Kristin McGee, Julianne Moore, Paula Pell, Michael Sheen, and Jason Sudeikis.
Document 6: Leslie Jones (comedian): Annette Jones (born September 7, 1967), better known as Leslie Jones, is an American comedian and actress who is a cast member and writer on "Saturday Night Live". Jones has been a featured performer at the Just for Laughs festival in Montreal and the Aspen Comedy Festival. In 2010, her one-hour comedy special, "Problem Child", was broadcast on Showtime. Jones starred in "Ghostbusters" (2016) as Patty Tolan.
Document 7: 30 Rock (season 4): The fourth season of "30 Rock", an American television comedy series, consists of 22 episodes and began airing on October 15, 2009, on the NBC network in the United States. The season was produced by Broadway Video, Little Stranger, and NBC Universal; the executive producers were series creator Tina Fey, Lorne Michaels, Marci Klein, David Miner, and Robert Carlock.
Document 8: Ellen Cleghorne: Ellen Cleghorne (born November 29, 1965) is an American actress and comedian, best known as a cast member of "Saturday Night Live" from 1991 to 1995. Cleghorne was the sketch comedy show's second African-American female repertory cast member, succeeding Danitra Vance in its eleventh season, and the first African-American female cast member to stay for more than one season. She returned for its 40th anniversary special on February 15, 2015. Cleghorne was ranked the 69th greatest "Saturday Night Live" cast member by "Rolling Stone" magazine.
Document 9: Cooter (30 Rock): "Cooter" is the fifteenth episode of the second season of "30 Rock" and the thirty-sixth episode of the series. It was written by series' creator Tina Fey and was directed by one of the season's producers, Don Scardino. The episode first aired on May 8, 2008, on the NBC network in the United States. "Cooter" follows Jack Donaghy's (Alec Baldwin) attempt to get fired from his new job in politics; Liz Lemon's (Fey) pregnancy scare and decision to adopt a baby; Tracy Jordan's (Tracy Morgan) creation of a pornographic video game; and Kenneth Parcell's (Jack McBrayer) aspiration to be an NBC page at the Beijing Olympics. The episode is an unofficial season finale, due to the season being shortened by the 2007–2008 Writers Guild of America strike.
Document 10: Khonani: "Khonani" is the eighteenth episode of the fourth season of the American television comedy series "30 Rock", and the 76th overall episode of the series. It was written by co-producer Vali Chandrasekaran and directed by Beth McCarthy Miller. It originally aired on the National Broadcasting Company (NBC) network in the United States on April 22, 2010, following shortly after the episode "Lee Marvin vs. Derek Jeter" on the same night. Guest stars in this episode include Kapil Bawa and Subhas Ramsaywack.
Document 11: Dealbreakers Talk Show No. 0001: "Dealbreakers Talk Show #0001" is the seventh episode of the fourth season of the American television comedy series "30 Rock", and the 65th overall episode of the series. It was written by co-producer Kay Cannon and directed by series producer Don Scardino. It originally aired on the National Broadcasting Company (NBC) network in the United States on December 3, 2009. Guest stars in the episode include Kristian Alfonso, John Anderson, Will Arnett, Whoopi Goldberg, Chris Parnell, Peter Reckell, and Sherri Shepherd.
Document 12: Lee Marvin vs. Derek Jeter: "Lee Marvin vs. Derek Jeter" is the of the fourth season of the American television comedy series "30 Rock", and the 75th overall episode of the series. It was written by co-producer Kay Cannon and series creator Tina Fey. The episode was directed by series producer Don Scardino. It originally aired on the National Broadcasting Company (NBC) network in the United States on April 22, 2010. Guest stars in this episode include Elizabeth Banks, Will Ferrell, Steve Hely, Julianne Moore, and Ariel Shafir.
Document 13: Yvonne Hudson: Yvonne Hudson (born July 9, 1954) is an American television actress who is best known for being the first African-American female cast member on "Saturday Night Live". She joined the cast as a featured player in the show's 1980-1981 season. (The first black female repertory player was Danitra Vance.) She is also the third African-American to become an "SNL" cast member following Garrett Morris and Eddie Murphy. (Murphy joined one week before her.) Hudson first appeared on the show in 1978 as an uncredited extra in many episodes.
Document 14: Jane Krakowski: Jane Krakowski ( ; born Jane Krajkowski; October 11, 1968) is an American actress and singer. She is best known for her role as Jenna Maroney in the NBC comedy series "30 Rock", for which she received four Primetime Emmy Award nominations for Outstanding Supporting Actress in a Comedy Series. Other notable television credits include Elaine Vassal on "Ally McBeal" and Jacqueline White in the Netflix original comedy series "Unbreakable Kimmy Schmidt".
Document 15: Janet Hubert: Janet Louise Hubert (born January 13, 1956) is an American film and television actress. She is best known for playing the role of the original Vivian Banks on the sitcom "The Fresh Prince of Bel-Air" from its first season 1990 until the end of its third season in 1993. Hubert was nominated for an NAACP Image Award for Outstanding Actress in a Comedy Series for her role in 1991.
ground_truth: Janet Vivian "Jan" Hooks