Question: Who portrayed the character that replaced Shelley Long's character that she reprised on the spinoff "Frasier"?

full_context: Document 1: Estelle Getty: Estelle Getty (née Scher; also known as Estelle Gettleman; July 25, 1923 – July 22, 2008) was an American actress and comedian, who appeared in film, television, and theatre. She was best known for her role as Sophia Petrillo on "The Golden Girls" from 1985 to 1992, which won her an Emmy and a Golden Globe, on "The Golden Palace" from 1992 to 1993, and on "Empty Nest" from 1993 to 1995. In her later years, after retiring from acting, she battled Lewy body dementia.
Document 2: Sam and Diane: Sam Malone and Diane Chambers, collectively known as Sam and Diane, are fictional characters in the American situation comedy television series "Cheers". Sam Malone is a working-class, retired baseball player-turned-bartender played by Ted Danson; Diane Chambers is a college-graduate cocktail waitress played by Shelley Long. Danson appeared on "Cheers" for its entire run of the series; Long was part of the regular cast from the 1982 series premiere ("Give Me a Ring Sometime") until the fifth-season finale, "I Do, Adieu" (1987). Long returned for a special appearance in the 1993 series finale, "One for the Road."
Document 3: Jane Leeves: Jane Leeves (born 18 April 1961) is an English actress, model, producer, comedian, singer, and dancer. She is best known for playing Daphne Moon on the television sitcom "Frasier" from 1993 until 2004, for which she was nominated for Emmy Awards and Golden Globe Awards. She is also known for her role as Joy Scroggs on TV Land's sitcom "Hot in Cleveland".
Document 4: Cloris Leachman: Cloris Leachman (born April 30, 1926) is an American actress and comedian. In a career spanning over seven decades she has won eight Primetime Emmy Awards (record tied with Julia Louis-Dreyfus), one Daytime Emmy Award and one Academy Award for her role in "The Last Picture Show" (1971).
Document 5: Rebecca Howe: Rebecca Howe is a fictional character of the American television sitcom "Cheers", portrayed by Kirstie Alley and created by Glen and Les Charles. Rebecca appeared in 147 episodes of "Cheers" between 1987 and 1993 and in one episode of "Wings". She debuts in the season six episode "Home Is the Sailor" after Shelley Long—who played waitress Diane Chambers—left the show to pursue a movie career. Much of the show's humor in previous seasons had been based around the interaction and sexual tension between the womanizing, working-class main character, bartender Sam Malone, and the high-class, snobbish Diane. Rebecca was intended to fill the gap as Sam's new female foil.
Document 6: Diane Chambers: Diane Chambers is a fictional character in the American television situation comedy show "Cheers", portrayed by Shelley Long and created by Glen and Les Charles. After her fiancé Sumner Sloan abandons her in the Cheers bar in the pilot episode, Diane works as a bar waitress. She has an on-off relationship with the womanizing bartender Sam Malone (Ted Danson) and a one-year relationship with Frasier Crane (Kelsey Grammer), who later becomes a main character of the series and "Frasier". When Long left the series during the fifth season, the producers wrote her character out. Since then, they added her permanent replacement Rebecca Howe, a businesswoman played by Kirstie Alley, in the sixth season. Shelley Long made a special guest appearance in the series finale as Diane. Long also appeared in "Frasier" as Diane's fantasy counterpart in Frasier's dreams and the actual Diane in a crossover episode "The Show Where Diane Comes Back".
Document 7: Home Is the Sailor (Cheers): "Home is the Sailor" is the sixth-season premiere of the American television sitcom "Cheers". It originally aired on September 24, 1987 on NBC. It is also the first episode including the fictional character Rebecca Howe, portrayed by Kirstie Alley, as the permanent female lead. It follows "I Do, Adieu", which was Shelley Long's last of her regular appearances as the female lead, Diane Chambers, who also left Boston on the show.
Document 8: Give Me a Ring Sometime: "Give Me a Ring Sometime" is the first episode of the American situation comedy "Cheers". Written by Glen and Les Charles and directed by James Burrows, the episode first aired September 30, 1982 on NBC. The pilot episode introduces the employees of bar Cheers: Sam Malone, Diane Chambers, Coach Ernie Pantusso, and Carla Tortelli; and regular customers Norm Peterson and Cliff Clavin. In this episode, Diane, brought in by fiancé Sumner Sloan, meets the employees and patrons of the bar. When she realizes that her fiancé has left her alone in the bar, Diane accepts Sam's offer to be the bar's waitress to start over.
Document 9: Rhea Perlman: Rhea Jo Perlman (born March 31, 1948) is an American actress, best known for her role as waitress Carla Tortelli on the sitcom "Cheers" from 1982 to 1993. Over the course of 11 seasons, she was nominated for 10 Emmy Awards for Outstanding Supporting Actress – winning four times – and was nominated for a record six Golden Globe Awards for Best Supporting Actress in a Television Series.
Document 10: Heather Locklear: Heather Deen Locklear (born September 25, 1961) is an American actress. She is known for her television role as Amanda Woodward on "Melrose Place" (1993–99), for which she received four consecutive Golden Globe nominations for Best Actress – Television Series Drama. Her other notable television roles include Sammy Jo Carrington on "Dynasty" (1981–89), Officer Stacy Sheridan on "T. J. Hooker" (1982–86), and Caitlin Moore on "Spin City" (1999–2002), for which she earned a further two Golden Globe nominations for Best Actress – Television Series Musical or Comedy. She had a recurring role on the TV Land sitcom "Hot in Cleveland" and a main role on the TNT drama-comedy television series "Franklin & Bash" in 2013.
Document 11: Shelley Long: Shelley Lee Long (born August 23, 1949) is an American actress. She is best known for her role as Diane Chambers on the sitcom "Cheers", for which she received five Emmy nominations, winning in 1983 for Outstanding Lead Actress in a Comedy Series. She won two Golden Globe Awards for the role. Long reprised her role as Diane Chambers in four episodes of the spinoff "Frasier", for which she received an additional guest star Emmy nomination. In 2009, she began playing a recurring role as DeDe Pritchett on the ABC comedy series "Modern Family".
Document 12: Rachel Green: Rachel Karen Green is a fictional character, one of the six main characters who appeared in the American sitcom "Friends". Portrayed by actress Jennifer Aniston, the character was created by show creators David Crane and Marta Kauffman, and appeared in each of the show’s 236 episodes during its decade-long run, from its premiere on September 22, 1994 to its finale on May 6, 2004. Introduced in the show's pilot as a naive runaway bride who reunites with her childhood best friend Monica and relocates to New York City, Rachel gradually evolves from a spoiled, inexperienced daddy's girl into a successful businesswoman. During the show's second season, the character becomes romantically involved with her friend Ross, with whom she maintains a complicated on-again, off-again relationship throughout the entire series. Together, the characters have a daughter, Emma.
Document 13: Candice Bergen: Candice Patricia Bergen (born May 9, 1946) is an American actress and former fashion model. She won five Emmy Awards and two Golden Globe Awards for her ten seasons as the title character on the CBS sitcom "Murphy Brown" (1988–98). She is also known for her role as Shirley Schmidt on the ABC drama "Boston Legal" (2005–08). She was nominated for the Academy Award for Best Supporting Actress for "Starting Over" (1979), and for the BAFTA Award for Best Actress in a Supporting Role for "Gandhi" (1982).
Document 14: Allison Janney: Allison Brooks Janney (born November 19, 1959) is an American actress. A seven-time Primetime Emmy Award winner for her television work, her first four Emmy wins were for her role as C. J. Cregg on the NBC drama "The West Wing" (1999–2006). In 2014, she won the Emmy for Outstanding Guest Actress in a Drama Series for her role as Margaret Scully on the Showtime series "Masters of Sex". In 2014 and 2015, she won the Emmy for Outstanding Supporting Actress in a Comedy Series for her role as Bonnie Plunkett on the CBS sitcom "Mom".
Document 15: Sam Malone: Samuel "Sam" "Mayday" Malone is a fictional character on the American television show "Cheers", portrayed by Ted Danson and created by Glen and Les Charles. The central character of the series, Sam, a former relief pitcher for the Boston Red Sox baseball team, is the owner and bartender of the bar called "Cheers". He is also a recovering alcoholic and a notorious womanizer. Although his celebrity status was short-lived, Sam retains that standing within the confines of Cheers, where he is beloved by the regular patrons. Along with Carla Tortelli and Norm Peterson, he is one of only three characters to appear in all episodes of "Cheers". Sam has an on-again, off-again relationship with the bar waitress Diane Chambers (Shelley Long) for the series' first five seasons until her departure from the series. Then he tries to seduce Diane's replacement, Rebecca Howe (Kirstie Alley), who frequently rejects his advances. Sam also appears in "The Show Where Sam Shows Up", a crossover episode of the spin-off "Frasier".
ground_truth: Kirstie Alley