Title: Private (novel series)
Content:  In 2016, a film adaptation of Private began production at Warner Bros., with Stacy Rukeyser attached as writer. When asked about the film in November 2020, Rukeyser replied that Warner Bros had decided not to move forward with the project.
Title: Private Lessons (1981 film)
Content:  Dan Greenburg wrote the film's screenplay, which he adapted from his own 1969 novel Philly. Producer R. Ben Efraim would produce a number of additional Private... movies over the next decade, including 1983's Private School (which features a brief appearance by Kristel), and two in-name-only sequels to Private Lessons in 1993 and 1994. During the bedroom striptease, Judy Helden performed as the body double for Kristel. The film was financed primarily by Jack Barry & Dan Enright Productions, even though its two chief producers, Jack Barry and Dan Enright, were better known for their game shows on television, of which Barry was the host and Enright the primary producer. The company's announcer at the time, Jay Stewart, provided the narration for one of the movie trailers for the film. The film was also the first picture for Jensen Farley Pictures (a subsidiary of Sunn Classic Pictures), a movie 
Title: Private Desert
Content: Antonio Saboia as Daniel ; Pedro Fasanaro as Sara 
Title: Private Life (2018 film)
Content:  Private Life is a 2018 American comedy-drama film written and directed by Tamara Jenkins, and starring, Paul Giamatti and Kathryn Hahn, with Kayli Carter, Molly Shannon, John Carroll Lynch, Desmin Borges, and Denis O'Hare in supporting roles. The film focuses on Richard and Rachel, a middle-aged married couple of New York City creatives, who are desperately trying to have a child by any means possible. The film had its world premiere on January 18 at the Sundance Film Festival. It was released on October 5, 2018, by Netflix.
Title: Private (film)
Content: Mohammad Bakri – Mohammad B ; Lior Miller – Commander Ofer ; Hend Ayoub – Mariam B ; Tomer Russo – Private Eial ; Arin Omary – Samiah B 
Title: Private School (film)
Content:  Private School was initiated in the wake of the surprise success of Private Lessons in 1981. Universal, which had licensed home video and cable TV rights to the independently produced comedy, financed Private School as a follow-up project. Though not a direct sequel to the previous film, it retained multiple parties from it, including R. Ben Efraim as producer, Dan Greenburg as screenwriter (along with his then-wife Suzanne O'Malley), and star Sylvia Kristel, who played a cameo as a new character. Don Enright, the son of Private Lessons co-producer Dan Enright, was a co-producer on the film. Private School was directed by Noel Black, who had found success in 1968 with the thriller Pretty Poison. Phoebe Cates, star of the 1982 hit Fast Times at Ridgemont High, was cast in the lead role, while Betsy Russell was second-billed. Pop star Paula Abdul, then head choreographer for the Laker Girls, received her first film credit for choreography.
Title: Private Lives (film)
Content:  Private Lives is a 1931 American pre-Code comedy film directed by Sidney Franklin. The screenplay by Hanns Kräly and Richard Schayer is based on the 1930 play Private Lives by Noël Coward.
Title: A Private Island
Content: name           = A Private Island ; image               = ; image_upright       = ; image_alt           = ; caption             = ; creator             = ; based_on            = ; writer              = Chris Gardner ; screenplay          = ; story               = ; director            = Henri Safran ; starring            = ; narrated            = ; music               = ; country             = Australia ; language            = English ; num_episodes        = ; producer            = ; editor              = ; cinematography      = ; runtime             = 60 mins ; company             = ABC ; distributor         = ABC ; budget              = ; network             = ABC ; website             = ; released            = 9 December 1964 (Sydney{ 30 December 1964 (Melbourne) {{Infobox television }}A Private Island is a 1964 Australian television play. It was written by Brisbane author Chris Gardner (real name Marjorie Gardner) and was directed by Henri Safran.
Title: Her Private Hell
Content:  According to Warren, producer Bachoo Sen had approached Richard Schulman, owner of London's Paris Pullman Cinema, with a proposal to set up a film production partnership. At the time of the meeting, Schulman was screening Warren's short film Fragment. As Sen and Schulman were lacking a director, Sen contacted Warren with an offer to make two films for them, which Warren accepted. In Warren's own words, "I had no idea what the film would be, but to be honest, I would have said yes to anything. I was 25 and desperate to direct a feature film." Her Private Hell was written by Glynn Christian, a New Zealand immigrant who based the story on his own experiences 
Title: Private Life (2018 film)
Content:  On January 4, 2017, it was reported that Kathryn Hahn would star in the Netflix film, Private Life, written and directed by Tamara Jenkins. On January 31, 2017, Paul Giamatti joined the cast. On March 16, 2017, it was reported that Molly Shannon, Emily Robinson, John Carroll Lynch, Kayli Carter, and Francesca Root-Dodson would also play roles in the film. As of March 17, 2017, principal photography had begun in White Plains, New York. Denis O'Hare and Desmin Borges subsequently joined the film as well.

Question: Who was the screenwriter for Private?
Answer: Saverio Costanzo.