Question: For how many seasons did the series in which Courtney Thorne-Smith played Lyndsey McElroy run ?

full_context: Document 1: Two and a Half Deaths: "Two and a Half Deaths" is the sixteenth episode of the of the American crime drama "" which is set in Las Vegas, Nevada, United States. It was written by Chuck Lorre and Lee Aronsohn in a crossover between "CSI" and "Two and a Half Men." The character of Annabelle is based on Roseanne Barr, who Lorre believed behaved poorly while he was running her eponymous blockbuster TV show; the title font for the show-within-a-show "Annabelle" is even identical to the one used for "Roseanne." Lorre was the original producer for that show until he was pushed out.
Document 2: Courtney Love filmography: Courtney Love is an American musician and actress who began her professional career in film in 1986 with a supporting role in Alex Cox's "Sid and Nancy" (1986); she had prior studied film with experimental director George Kuchar at the San Francisco Art Institute in 1984, and appeared in one of Kuchar's short films. After pursuing music and having a successful career as the frontwoman of alternative rock band Hole, Love also had intermittent roles in films, most notably receiving critical attention for her performance as Althea Flynt in Miloš Forman's 1996 biopic "The People vs. Larry Flynt", which earned her a Golden Globe Nomination for Best Actress, as well as awards from the Boston, Chicago, New York, and Los Angeles film critics associations. Love later appeared among an ensemble cast in "200 Cigarettes" (1998), as well as in a leading role in "Man on the Moon" (1999) alongside Jim Carrey, for which she received critical recognition. She later appeared in several independent films and short subjects as well as the thriller "Trapped" (2002) alongside Charlize Theron and Kevin Bacon, and "Julie Johnson" (2001), for which she received an award for Best Actress at Los Angeles' gay and lesbian Outfest film festival.
Document 3: Chriselle Almeida: Chriselle Almeida is an actress of Indian origin. She was born in Mumbai, India and raised in Fairfield, CT. She started her career Off-Broadway in New York Cityand currently lives in Los Angeles. She received a Bachelor of Fine Arts in Acting from the University of Connecticut-Storrs and received a full scholarship towards her Master of Fine Arts in Acting from University of California, Los Angeles. Her role as a Bollywood starlet who has an affair with a female journalist in [["When Kiran met Karen" caused some controversy in India. She also was a guest star playing the role of Lakshmi, a prospective bride for [[Raj Koothrappali]] who turns out to be a closet lesbian in "[[The Big Bang Theory]]" episode, [[The Big Bang Theory (season 5)|"The Transporter Malfunction"]]. It was a dream come true working with the master of comedy [[Chuck Lorre]]. Other credits include "[[Grey's Anatomy]]" where she worked across [[Geena Davis]], "[[Melissa and Joey]]" with [[Melissa Joan Hart]], "[[Gossip Girl]]" with [[Jessica Szohr]] and "[[Sex and the City 2]]" with all for leads [[Sarah Jessica Parker]], [[Kristin Davis]], [[Cynthia Nixon]] and [[Kim Cattrall]]. Other Acting Credits include [[Body of Proof]], [[Loosely Exactly Nicole]] and [[Miss Indian America]]Through the years her national commercials including [[Verizon]], [[Bank of America]], [[Toyota]] [[KFC]]. Most recently she was nominated for Best Lead Actress at the [[Idyllwild-Pine Cove, California]] Film Festival for a short film.
Document 4: That Darn Priest: "That Darn Priest" is the season finale of the eighth season of the American sitcom "Two and a Half Men" and the final appearance of Charlie Sheen as Charlie Harper. The episode is the 16th and final episode of the season, though it was meant to be the ninth to last episode, but the season was cut short due to Sheen's problems related to drug and alcohol abuse. Three weeks after the episode's original airing, Sheen was officially fired from the show. CBS and Warner Bros. later announced that Ashton Kutcher would join the show's cast as Sheen's replacement.
Document 5: List of Two and a Half Men characters: The American sitcom "Two and a Half Men", created and executive produced by Chuck Lorre and Lee Aronsohn, premiered on CBS on September 22, 2003. The show initially centers on seven characters: brothers Charlie and Alan Harper; Jake Harper, the dimwitted son of Alan and his first ex-wife; Judith Harper-Melnick, Alan's first ex-wife, Herb's ex-wife, and Jake and Milly's mother; Rose, one of Charlie's previous one night stands who continuously stalks him; Evelyn Harper, Charlie and Alan's wealthy, five time widowed, bisexual mother, and Jake's grandmother; and last of all, Berta, Charlie's sharp-tongued housekeeper, who later joins the main cast starting with season two after playing a major recurring role throughout the first season. In season nine, the show is revamped when Charlie is struck and killed by a moving train. Walden Schmidt replaces him as the new owner of the beach house, a recently divorced internet billionaire. In season eleven, Jake moves to Japan and leaves the series, so to replace "the half-man", Charlie's long-lost-daughter moves into the beach house after looking for her late father.
Document 6: 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 7: Courtney Thorne-Smith: Courtney Thorne-Smith (born November 8, 1967) is an American actress. She is best known for her roles as Alison Parker on "Melrose Place", Georgia Thomas on "Ally McBeal", Cheryl in "According to Jim", and her recurring role on "Two and a Half Men" as Lyndsey McElroy.
Document 8: Courteney Cox: Courteney Bass Cox (born June 15, 1964) is an American actress, producer, and director. She is best known for her roles as Monica Geller on the NBC sitcom "Friends", Gale Weathers in the horror series "Scream", and Jules Cobb in the ABC/TBS sitcom "Cougar Town", for which she earned her first Golden Globe nomination. Cox also starred in the FX series "Dirt". She owns a production company, called Coquette Productions, which was created by Cox and her then-husband David Arquette. Cox also worked as a director on her sitcom "Cougar Town" and the television film "Talhotblond".
Document 9: Charlie Harper (Two and a Half Men): Charles Francis "Charlie" Harper is a fictional character in the CBS sitcom "Two and a Half Men" during the first eight seasons of the series. Played by actor Charlie Sheen, the character has garnered him four Primetime Emmy Award nominations for Outstanding Lead Actor in a Comedy Series and two Golden Globe nominations for Best Performance by an Actor in a Comedy Series. Although the character was written off after the end of the eighth season, the character was reprised for one episode of the ninth season by Kathy Bates, which resulted in her winning the Primetime Emmy Award for Outstanding Guest Actress in a Comedy Series and in the series finale, "Of Course He's Dead".
Document 10: Rob (TV series): Rob (stylized in promos as ¡Rob!) is an American sitcom television series that premiered on CBS on January 12, 2012, at 8:30 pm (ET) as a mid-season replacement for "Rules of Engagement", and ended on March 1, 2012. The series stars Rob Schneider alongside Cheech Marin, Claudia Bassols, Diana Maria Riva, Eugenio Derbez, Ricky Rico, and Lupe Ontiveros. The show was produced by "Two and a Half Men"' s The Tannenbaum Company and CBS Television Studios. On May 13, 2012, CBS canceled the series.
Document 11: Allison Smith (actress): Allison Smith (born December 9, 1969) is an American actress, singer, writer and director, best known for her work on television as Mallory O'Brien in Aaron Sorkin's Emmy Award-winning NBC drama "The West Wing" and for starring on Broadway in the title role "Annie". She also played the role of Jennie Lowell on the 1980s Emmy Award winning sitcom "Kate & Allie". In addition to starring in "Annie", Smith has also appeared on stage in a host of other roles, including a part in the original Broadway production of "Evita" (alongside Patti Lupone and Mandy Patinkin), a starring role in the Los Angeles premiere production of David Mamet's "Oleanna", and supporting roles in Peter Parnell's "QED" (opposite Alan Alda), and the musical "The Education Of Randy Newman", in which she played Randy Newman's first wife. Smith, who has appeared in over 100 telivison episodes, received rave reviews for her chilling performance in the pilot of "The Closer".
Document 12: Cheers: Cheers is an American sitcom that ran on NBC from September 30, 1982, to May 20, 1993, with a total of 275 half-hour episodes spanning over eleven seasons. The show was produced by Charles/Burrows/Charles Productions in association with Paramount Network Television. The show was created by the team of James Burrows, Glen Charles, and Les Charles. The show is set in a bar named Cheers in Boston, Massachusetts, where a group of locals meet to drink, relax, and socialize. The show's main theme song, written and performed by Gary Portnoy, lent its refrain "Where Everybody Knows Your Name" as the show's tagline.
Document 13: Two and a Half Men: Two and a Half Men is an American television sitcom that originally aired on CBS for twelve seasons from September 22, 2003 to February 19, 2015. Originally starring Charlie Sheen, Jon Cryer, and Angus T. Jones, the series was about a hedonistic jingle writer, Charlie Harper; his uptight brother Alan; and Alan's troublesome son Jake. After Alan divorces, he moves with his son to share Charlie's beachfront Malibu house and complicates Charlie's freewheeling life.
Document 14: Portia de Rossi: Portia Lee James DeGeneres (born Amanda Lee Rogers; January 31, 1973), also known professionally as Portia de Rossi ( ), is an Australian and American actress, model, and philanthropist. She appeared as a regular cast member on the American political thriller television series "Scandal" in the role of Elizabeth North from 2014 to 2017. She is also known for her roles as lawyer Nelle Porter on the American television series "Ally McBeal"—for which she won a Screen Actors Guild Award in 1999—and as Lindsay Fünke on the American television sitcom "Arrested Development." She also portrayed Veronica Palmer on the ABC television sitcom "Better Off Ted", and Olivia Lord on the television drama "Nip/Tuck". De Rossi is married to comedian and television host Ellen DeGeneres.
Document 15: Calista Flockhart: Calista Kay Flockhart (born November 11, 1964) is an American actress best known for playing the title character in "Ally McBeal". She is also known for her roles in "Brothers & Sisters" and "Supergirl". She has been featured in a number of films including "The Birdcage" and "A Midsummer Night's Dream."
ground_truth: twelve seasons