Question: When was the American comedy film released which was written by Herschel Alan Weingrod with  Murray Salem?

Context paragraphs:
The Very Idea: The Very Idea is an American comedy film directed by Frank Craven and Richard Rosson and written by William Le Baron, based on his play of the same title.  Released in 1929, it was the fourth film released by RKO Pictures, starring Sally Blane, Hugh Trevor, Allen Kearns, Doris Eaton and Frank Craven.  A comedy based on the theory of eugenics, it was a critical and financial failure.

Herschel Weingrod: Herschel Alan Weingrod (30 October 1947 Milwaukee, Wisconsin, United States) is an American screenwriter.  He has written and co-written a number of Hollywood blockbusters including "Trading Places", "Twins", "Kindergarten Cop" with fellow writer Murray Salem and the 1996 movie "Space Jam".  His parents are of Jewish descent.

Kindergarten Cop: Kindergarten Cop is a 1990 American comedy film, released to cinemas in the United States on December 21, 1990, directed by Ivan Reitman, distributed by Universal Pictures.  Arnold Schwarzenegger stars as John Kimble, a tough police detective working undercover as a kindergarten teacher to apprehend the vicious drug dealer Cullen Crisp (Richard Tyson) before Crisp can get to his former wife and son.

Brewster's Millions (1985 film): Brewster's Millions is a 1985 comedy film directed by Walter Hill and starring Richard Pryor and John Candy.  The screenplay by Herschel Weingrod and Timothy Harris was based on the 1902 novel of the same name by George Barr McCutcheon.  It is the seventh film based on the story.

Don't Bet on Love: Don't Bet on Love is a 1933 American comedy film directed by Murray Roth and written by Howard Emmett Rogers, Murray Roth and Ben Ryan.  The film stars Lew Ayres, Ginger Rogers, Charley Grapewin, Shirley Grey, Tom Dugan and Merna Kennedy.  The film was released on July 1, 1933, by Universal Pictures.

Broadway Rose (film): Broadway Rose is a 1922 American silent romantic drama film released by Metro Pictures and directed by Robert Z. Leonard.  It stars Leonard's then-wife Mae Murray and Monte Blue.  The film is based on an original story by Edmund Goulding written for star Murray, and was produced by Leonard's and Murray's production company Tiffany Pictures.

Meet the Missus (1940 film): Meet the Missus is an American comedy film released in 1940.  The eighth in the 1938–41 nine-film Higgins Family series, this entry features Alan Ladd in a small role.

Where the Boys Are '84: Where the Boys Are '84 (onscreen title: Where the Boys Are) is a 1984 American comedy film and a remake of the 1960 teen sex comedy film "Where the Boys Are", starring Lisa Hartman, Russell Todd, Lorna Luft, Wendy Schaal and Lynn-Holly Johnson.  Directed by Hy Averback and produced by Allan Carr, it was the first film released by Tri-Star Pictures.

David Copperfield (1935 film): David Copperfield is a 1935 American film released by Metro-Goldwyn-Mayer based upon the Charles Dickens novel "The Personal History, Adventures, Experience, & Observation of David Copperfield the Younger".  A number of characters and incidents from the novel were omitted – notably David's time at Salem House boarding school, although one character he met at Salem House (Steerforth) was retained for the film as a head boy at the school David attended after his aunt Betsey Trotwood gained custody of him.

Gorp (film): Gorp is a 1980 American comedy film starring Michael Lembeck and Dennis Quaid, and featuring early acting work of Rosanna Arquette and Fran Drescher in supporting roles.  Directed by Joseph Ruben, with both story and screenplay by Jeffrey Konvitz and A. Martin Zweiback, the film follows in the tradition of the 1978 fraternity comedy "National Lampoon's Animal House", and the 1979 summer camp comedy film "Meatballs".  "Gorp" was the last film released by American International Pictures.

Supporting paragraphs: Herschel Weingrod Kindergarten Cop
Answer: December 21, 1990