Question: Who produced the 1980's sitcom starring Janet Dibley?

Context paragraphs:
The Two of Us (1986 TV series): The Two of Us is an ITV comedy series starring Nicholas Lyndhurst and Janet Dibley as Ashley and Elaine, an unmarried couple living together, at a time when this was becoming increasingly common in Britain, but still considered slightly controversial in some circles.  It was produced by London Weekend Television.

The Midnight Kiss: The Midnight Kiss is a lost 1926 silent film directed by Irving Cummings and starring Janet Gaynor.  It was produced and distributed by Fox Film Corporation.

A Star Is Born (1937 film): A Star Is Born is a 1937 American Technicolor romantic drama film produced by David O. Selznick, directed by William A. Wellman from a script by Wellman, Robert Carson, Dorothy Parker and Alan Campbell, and starring Janet Gaynor as an aspiring Hollywood actress, and Fredric March as a fading movie star who helps launch her career.  The supporting cast features Adolphe Menjou, May Robson, Andy Devine, Lionel Stander and Owen Moore.

Elaine Cassidy (Doctors): Dr. Elaine Cassidy is a fictional character from the BBC soap opera "Doctors", played by Janet Dibley.  She made her first appearance on 31 August 2010.  She departed "Doctors" on 28 September 2012.

Lorna Cartwright: Lorna Cartwright is a fictional character from the BBC soap opera "EastEnders", played by Janet Dibley intermittently between 31 July 1997 and 23 April 1998.  Lorna was introduced primarily as a catalyst to break up Phil Mitchell's (Steve McFadden) marriage to Kathy Beale (Gillian Taylforth).  Although producers reportedly wanted to develop the character further, actress Janet Dibley declined their offer of an extended contract, as she disagreed with a proposed storyline that would see Lorna gang raped.  The character returned on 17 March 2016, as part of Phil's cirrhosis storyline

State Fair (1933 film): State Fair (1933) is an American Pre-Code comedy-drama film directed by Henry King and starring Janet Gaynor, Will Rogers, and Lew Ayres.  The picture tells the story of a farm family's multi-day visit to the Iowa State Fair, where the parents seek to win prizes in agricultural and cooking competitions, and their teenage daughter and son each find unexpected romance.  Based on a bestselling novel by Phil Stong, this was the first of three film versions of the novel released to theaters, the others being the movie musicals "State Fair" (1945) starring Jeanne Crain and Dana Andrews, and "State Fair" (1962) starring Ann-Margret and Pat Boone.

The Christmas Lunch Incident: "The Christmas Lunch Incident" is the 1996 Christmas special episode of the British sitcom "The Vicar of Dibley".  The episode was first broadcast on BBC1 in the United Kingdom on 25 December 1996.  It was the eighth episode of "The Vicar of Dibley" to be produced and transmitted.  Repeats are broadcast regularly around Christmas on both the original channel and more frequently on the UKTV comedy channel Gold.  The episode was written by regular writers Richard Curtis and Paul Mayhew-Archer.

Janet Dibley: Janet Dibley (born 13 December 1958 in Doncaster, West Riding of Yorkshire) is an English actress.  She is known for her roles the 1980s sitcom "The Two of Us", as Lorna Cartwright in the BBC soap opera "EastEnders", and as Elaine Cassidy in the BBC soap opera "Doctors".

A Star Is Born (1976 film): A Star Is Born is a 1976 American musical drama film telling the story of a young woman, played by Barbra Streisand, who enters show business, and meets and falls in love with an established male star, played by Kris Kristofferson, only to find her career ascending while his goes into decline.  It is a remake of two earlier versions – the 1937 version was a drama starring Janet Gaynor and Fredric March, and the 1954 version was a musical starring Judy Garland and James Mason.  It will be remade for a third time in 2018 starring Stefani Germanotta and Bradley Cooper.

The Young in Heart: The Young in Heart is a 1938 American comedy film produced by David O. Selznick, directed by Richard Wallace, and starring Janet Gaynor, Douglas Fairbanks, Jr. and Paulette Goddard.  The supporting cast features Roland Young and Billie Burke.

Supporting paragraphs: Janet Dibley The Two of Us (1986 TV series)
Answer: London Weekend Television