Question: In which year did this American film and television actress who began her career as a dancer and stage showgirl and appeared in Autumn Leaves pass away?

Context paragraphs:
Joan Crawford: Joan Crawford (born Lucille Fay LeSueur; (March 23, 190?  – May 10, 1977) was an American film and television actress who began her career as a dancer and stage showgirl.  In 1999, the American Film Institute ranked Crawford tenth on its list of the greatest female stars of Classic Hollywood Cinema.

Marisa Maresca: Marisa Maresca (17 July 1923 - 18 August 1988) was an Italian showgirl, soubrette, and theatre dancer.  Her mother was also a soubrette, her father was an impresario, and her uncle sang operettas.  Her sister Lydia Maresca, herself an actress with the stage name Lidia Martora, was the wife of Peppino De Filippo.  In 1938, at the age of 15, Maresca joined the company of Erminio Macario, becoming one of the comedy performers in Turin.  Over the next decade, she worked with Carlo Dapporto, where, in imitation of Josephine Baker, Maresca appeared on stage in a thong and bra of bananas.  In other shows, she performed topless, while in still others, she wore only the heads of three black fox to cover the appropriate areas.  In 1946, she created her own company, and a few months later, she took on a young novice comedian, Walter Chiari, with whom she began a relationship.  In 1950, she retired from acting to marry Count Corrado Agusta, owner (with his brothers) of Agusta; they had a son Richard, nicknamed Rocky.  Maresca's husband left her for Francesca Vacca Graffagni.

Amy Irving: Amy Davis Irving (born September 10, 1953) is an American film, stage, and television actress.  The daughter of actors Jules Irving and Priscilla Pointer, she was raised in San Francisco where her father co-founded the Actor's Workshop, and began acting onstage as a child.  She began her film career with a role in the 1976 horror film "Carrie", followed by a lead role in the supernatural thriller "The Fury" (1978).  She earned an Academy Award nomination for Best Supporting Actress for her performance in "Yentl" (1983), and later a Golden Globe nomination for her role in the comedy "Crossing Delancey" (1988).

Autumn Leaves (film): Autumn Leaves is a 1956 American drama film by Columbia Pictures starring Joan Crawford and Cliff Robertson in an older woman/younger man tale of mental illness.  The screenplay was written by Jean Rouverol and Hugo Butler, though it was credited to Jack Jevne, Rouverol and Butler being blacklisted at the time of the film's release.

Gloria Pall: Gloria Pall (July 15, 1927 – December 30, 2012) was an American model, showgirl, film and television actress, author and businesswoman.

Lina Morgan: María de los Ángeles López Segovia (20 March 1936 – 19 August 2015), better known as Lina Morgan, was a Spanish film, theatre and television actress and showgirl.

Bambi (2013 film): Bambi is a French documentary film, released in 2013.  Directed by Sébastien Lifshitz, the film is a profile of Marie-Pierre Pruvot, an Algerian-born trans woman who had a long and prominent career as a dancer and showgirl in Paris in the 1950s and 1960s, under the stage name Bambi, before becoming a university professor.

Ann Sothern: Ann Sothern (born Harriette Arlene Lake; January 22, 1909 – March 15, 2001) was an American actress who worked on stage, radio, film, and television, in a career that spanned nearly six decades.  Sothern began her career in the late 1920s in bit parts in films.  In 1930, she made her Broadway stage debut and soon worked her way up to starring roles.  In 1939, MGM cast her as Maisie Ravier, a brash yet lovable Brooklyn showgirl.  The character, based on the "Maisie" short stories by Nell Martin, proved to be popular and spawned a successful film series ("Congo Maisie", "Gold Rush Maisie", "Up Goes Maisie", etc.) and a network radio series ("The Adventures of Maisie").

Jahna Steele: Jahna Erica Steele (born John Matheny, 29 September 1958 — 24 January 2008) was an American transgender entertainer and Las Vegas showgirl who was voted Las Vegas' "Sexiest Showgirl on The Strip" in 1991, "Las Vegas Entertainer of the Year, 1992," and "Most Beautiful Showgirl, 1993."  She was fired after being outed as a trans woman by a tabloid television show.  Steele made numerous film and television appearances, including hosting a transgender beauty pageant featured in the film "Trantasia".

Dana Delany: Dana Welles Delany (born March 13, 1956) is an American film, stage, and television actress, producer, presenter, and health activist.  Delany has been active in show business since the late 1970s.  Following small roles early in her career, Delany garnered her first leading role in 1987 in the short-lived NBC sitcom "Sweet Surrender" and achieved wider fame in 1988–1991 as Colleen McMurphy on the ABC television show "China Beach", for which she won two Primetime Emmy Awards (1989, 1992).  She received further recognition for her performances in the films "Light Sleeper" (1992), "Tombstone" (1993), "Exit to Eden" (1994), "" (1995), "Fly Away Home" (1996), "True Women" (1997), and "Wide Awake" (1998).  Since the mid-1990s, Delany has served on the board of the Scleroderma Research Foundation.

Supporting paragraphs: Autumn Leaves (film) Joan Crawford
Answer: 1977