Question: What year was the John Waters' film, starring Joni-Ruth White, showing?

Context paragraphs:
John Waters Presents Movies That Will Corrupt You: John Waters Presents Movies That Will Corrupt You is a film anthology series produced by the LGBT-interest network here!  in 2006.  Shot on location in the Baltimore, Maryland home of director John Waters, each film is introduced by him and includes closing comments as well.

John Waters (actor): John Russell Waters (born 8 December 1948) is an English-born film, theatre and television actor, singer, guitarist, songwriter and musician best known in Australia, to where he moved in 1968.  He is the son of Scottish actor, Russell Waters.  John Waters has been in the industry for over 40 years, and was part of the Australian children's television series, "Play School", for almost 20 years.

Joni-Ruth White: Joni-Ruth White is an actress who appeared in the 1981 film "Polyester", directed by John Waters.  She played Divine's harridan mother, LaRue.

Robert Maier: Robert Maier worked with filmmaker John Waters for fifteen years as a writer/producer/production manager on Waters' films "Polyester", "Hairspray", "Desperate Living", "Female Trouble", and "Cry-Baby", and with a dozen other low-budget movie-makers in Baltimore and New York City.  Maier created the 30-minute underground film "Love Letter to Edie", a documentary on the life and career of actress Edith Massey, and wrote the book "Low Budget Hell: Making Underground Movies with John Waters" about the making of the movies of John Waters.

Van Smith: Walter Avant "Van" Smith, Jr. (August 17, 1945 - December 5, 2006) was an American costume designer and make-up artist.  He worked primarily in the films of John Waters, designing the costumes and make-up for every John Waters film from 1972 to 2004.  Because of his work with Waters, he is considered one of the Dreamlanders, Waters' ensemble of regular cast and crew members.

Going Sane: Going Sane is a 1987 Australian comedy starring John Waters.  It was one of several films made in the 1980s where Waters plays a character who has a mid life crisis.  In 1994 when asked to name his worst movie, Waters said "Going Sane" was the one "that failed to achieve its brief more than any other."

A John Waters Christmas: A John Waters Christmas is a compilation album of Christmas music selected by cult film director John Waters.

Divine Waters: Divine Waters is a documentary film released in 1985 (shot in 1981) starring Divine and John Waters as themselves, along with Waters' father John Waters Sr. and sister Trish Waters.

Polyester (film): Polyester is a 1981 American black comedy film directed, produced, and written by John Waters, and starring Divine, Tab Hunter, Edith Massey, and Mink Stole.  It was filmed in Waters' native Baltimore, Maryland, and features a gimmick called "Odorama", whereby viewers could smell what they saw on screen through scratch and sniff cards.

Hairspray (1988 film): Hairspray is a 1988 American dance comedy film written and directed by John Waters, and starring Ricki Lake, Divine, Debbie Harry, Sonny Bono, Jerry Stiller, , Colleen Fitzpatrick, and Michael St. Gerard.  "Hairspray" was a dramatic departure from Waters's earlier works, with a much broader intended audience.  "Hairspray"' s PG is the mildest rating a Waters film has received; most of his previous films were rated X by the MPAA.  Set in 1962 Baltimore, Maryland, the film revolves around self-proclaimed "pleasantly plump" teenager Tracy Turnblad as she pursues stardom as a dancer on a local TV show and rallies against racial segregation.

Supporting paragraphs: Joni-Ruth White Polyester (film)
Answer: 1981