Title: Sisters (American TV series)
Content:  Sisters is an American family drama television series that aired on NBC for six seasons from May 11, 1991 to May 4, 1996. The series was created by Ron Cowen and Daniel Lipman, who were also the executive producers and showrunners. The show debuted on May 11, 1991 for a seven-episode test run and was subsequently renewed for the 1991 fall schedule.
Title: Sisters (Australian TV series)
Content:  Sisters is an Australian television drama series, created by Jonathan Gavin and Imogen Banks, and produced by Imogen Banks and Nicole O'Donahue, that screened locally on Network Ten in October 2017 and launched as a Netflix Original Series on September 1, 2018.
Title: The Sisters (2005 film)
Content:  The Sisters is a 2005 film starring Maria Bello, Mary Stuart Masterson, and Erika Christensen as the title characters; it also stars Alessandro Nivola, Rip Torn, Eric McCormack, Steven Culp, Tony Goldwyn and Chris O'Donnell. The film was written by Richard Alfieri (based on his own play) and directed by Arthur Allan Seidelman. The Sisters is inspired by Anton Chekhov's 1901 play Three Sisters. It tells the story of three sisters and a brother, their family dysfunctions, and the siblings dealing with their ups and downs after the death of their father.
Title: The Sisters (1938 film)
Content:  The Sisters is a 1938 American drama film produced and directed by Anatole Litvak and starring Errol Flynn and Bette Davis. The screenplay by Milton Krims is based on the 1937 novel of the same title by Myron Brinig.
Title: The Sisters (1938 film)
Content:  In May 1937, Miriam Hopkins and Kay Francis were originally announced as female stars. In December 1937 Warners announced the film would be made the following year from a script by Milton Krims. In April 1938 Irene Dunne was announced for the lead. By this stage Anatole Litvak was attached to direct and Kane Bryan was to play one of the sisters. Then in May, Warners said that Dunne had been replaced by Bette Davis. Following Jezebel, Bette Davis was dismayed to be assigned to Comet Over Broadway, a melodrama in which she would portray a Broadway actress who sacrifices her career to care for her ne'er-do-well husband when he 
Title: Sisters (2015 film)
Content:  Sisters is a 2015 American comedy film directed by Jason Moore, written by Paula Pell and is the second collaboration between Tina Fey and Amy Poehler following the film Baby Mama (2008). The rest of the cast consists of Maya Rudolph, Ike Barinholtz, James Brolin, John Cena, John Leguizamo, and Dianne Wiest. The film centers on adult sisters Kate, an irresponsible single mother, and Maura, a kindhearted nurse and recent divorcee, who are summoned back to their childhood home by their parents to clean out their bedroom before the house gets sold. Upset and angry that all their childhood memories are going to be gone, Kate convinces Maura to have one last wild party at the house, but things soon get out of control. The film was released on December 18, 2015 by Universal Pictures, received mixed reviews, though most critics praised the chemistry of the lead actresses, and grossed $105 million on a production budget of $33 million.
Title: Brothers &amp; Sisters (season 3)
Content:  The show was created by Ken Olin and Jon Robin Baitz. Brothers & Sisters is produced by Berlanti Television, After Portsmouth, and Touchstone Television (Fall 2006-Spring 2007), which is now ABC Studios (Fall 2007–present).
Title: Brothers &amp; Sisters (season 2)
Content:  The show was created by Ken Olin and Jon Robin Baitz. Brothers & Sisters is produced by Berlanti Television, After Portsmouth, and Touchstone Television (Fall 2006-Spring 2007), which is now ABC Studios (Fall 2007–present).
Title: The Sisters (2011 film)
Content:  The Sisters (Sestre / Сестре) is a 2011 film based on a true story from Serbia about human trafficking. The film was directed by Vladimir Paskaljević. The scenario was written by Vladimir Paskaljević, Milena Marković and Bojana Maljević. Maljević was also one of the producers. The film premiered in Serbian theaters on 10 April 2011 and on Serbian television on Prva TV (former TV Fox) on 4 June 2011. The cast consisted of unknown actors making their debut in the film, except for the oldest actor of the film, Velimir Bata Živojinović, playing the role of the sisters' grandfather. All other actors remain relatively unknown, and include Ljubomir Bandović who starred as kidnapper Tadija, and Ivana Vuković.
Title: Brothers &amp; Sisters (season 1)
Content:  The show was created by Ken Olin and Jon Robin Baitz. Greg Berlanti acts as executive producer and show runner for the first season. Brothers and Sisters is produced by Berlanti Television, After Portsmouth, and Touchstone Television (Fall 2006-Spring 2007), which is now ABC Studios (Fall 2007–present). In the UK Brothers and Sisters was aired on Channel 4, premiering on June 20 at 20:30 with a double bill. Season 1 is officially composed of 23 episodes, although 24 were produced during the season. The unaired episode, which was supposed to be episode 2, right after the pilot, contains scenes of William's funeral, also used in the actual episode 2. This ghost episode was taken out because of its slowliness.

Question: Who was the producer of The Sisters?
Answer: Anatole Litvak.