Title: ER (season 7)
Content:  returned as producers. Jonathan Kaplan began the seventh season as a consulting producer but returned to his previous role as producer mid-season. Regular director Christopher Misiano joined the crew as a producer for the seventh season only. Michael Salamunovich returned as a co-producer and Teresa Salamunovich continued in her role as associate producer until the mid-season break. Wells wrote two further episodes. Orman was the series' most prolific writer with seven episodes. Baer contributed a single episode. Gemmill wrote four further episodes and new producers Johnson and Stiehm each wrote three episodes. Sachs wrote a further episode. Former producer Walon Green wrote 
Title: ER (season 7)
Content:  Original executive producers John Wells and Michael Crichton reprised their roles. Sixth season co-executive producers Neal Baer and Jack Orman were promoted to executive producers for the seventh season. Baer left the crew mid-season. Previous executive producer Christopher Chulack remained a consulting producer while working on Wells' Third Watch. Meredith Stiehm joined the crew as a co-executive producer mid-season. R. Scott Gemmill returned as supervising producer and was joined by new supervising producer Dee Johnson. Long-time crew member Joe Sachs joined the production team as a co-producer for the seventh season and was promoted to producer mid-season. Wendy Spence Rosato and Richard 
Title: The Office (American season 7)
Content:  The seventh season of the show is produced by Reveille Productions and Deedle-Dee Productions, both in association with Universal Media Studios. The show is based upon the British series created by Ricky Gervais and Stephen Merchant, both of whom are executive producers on both the U.S. and UK versions. The Office is produced by Greg Daniels, who is also an executive producer. Returning writers from the previous season include Mindy Kaling, B. J. Novak, Paul Lieberstein, Brent Forrester, Justin Spitzer, Aaron Shure, Charlie Grandy, Daniel Chun, Warren Lieberstein, and Halsted Sullivan. New writers in the seventh season include Peter Ocko, Jon 
Title: Seven Seconds (TV series)
Content:  On October 18, 2016, it was announced that Netflix had given the production a one season series order consisting of 10 episodes. The series was created by Veena Sud with Gavin O'Connor attached to direct. Sud and O’Connor were expected to executive produce alongside Lawrence Bender, Kevin Brown, and Alex Reznik. Production companies involved with the show include Fox 21 TV Studios. On April 18, 2018, Netflix announced they were not renewing the series for a second season.
Title: Seinfeld (season 7)
Content:  Seinfeld was produced by Castle Rock Entertainment and distributed by Columbia Pictures Television and Columbia TriStar Television (now Sony Pictures Television) and was aired of NBC in the US. The executive producers were Larry David, George Shapiro, and Howard West with Tom Gammill and Max Pross as supervising producers. Bruce Kirschbaum was the executive consultant. This season was directed by Andy Ackerman. The series was set predominantly in an apartment block on New York City's Upper West Side. The seventh season was shot and mostly filmed in CBS Studio Center in Studio City, California. The show features Jerry Seinfeld as himself, and a host of Jerry's friends and acquaintances, which include George Costanza, Elaine Benes, and Cosmo Kramer, portrayed by Jason Alexander, Julia Louis-Dreyfus and Michael Richards, respectively.
Title: Seven (2019 Indian film)
Content:  Seven is a 2019 Indian mystery thriller film directed and filmed by Nizar Shafi, and produced by Ramesh Varma. Shot simultaneously in Telugu and Tamil languages, the film features Havish, Rahman, Nandita Swetha and Regina Cassandra in lead roles.
Title: Seven (1979 film)
Content:  Seven was filmed at Oahu and Kauai in Hawaii. Robert Baird, who is credited along with William Driskill as screenwriter, is a pseudonym for writer and photographer William Edgar. The Hollywood Reporter budgeted the film at $2 million and noted that the film had "just completed" in their February 7, 1979 article.
Title: Seven (2019 Indian film)
Content:  The film started production as a Telugu film, but the film became bilingual after producer M. S. Sharavanan expressed interest in a Tamil version. Havish requested that the makers rope in another artist for the Tamil version as he was not fluent in the language, but they were keen that Havish do it.
Title: History of UPN
Content:  to May 29, 2001. Three seasons of Seven Days were produced. Seven Days was based on an idea from Kerry McCluggage, then-president of Paramount Television. He pitched the idea to Christopher Crowe, who mixed it with his own research on Area 51 to create the series. The show wasn't a hit with reviewers, who criticized the show's "flimsy" premise and violence. Justina Vail, who played Dr. Olga Vukavitch, quit the series before the end of the third season, though she agreed to film a few extra scenes to wrap-up her character's arc. Her departure and the tensions within the 
Title: The West Wing (season 7)
Content:  The season was produced by John Wells Productions in association with Warner Bros. Television. The executive producers were the production company's namesake and founder John Wells, Christopher Misiano, Alex Graves, political analyst Lawrence O'Donnell and Peter Noah; Noah was previously a supervising producer in the sixth season, and O'Donnell, who is a former Democratic chief of staff on the Senate Committee on Finance, provided insight into political life. The West Wing was created by Aaron Sorkin. For the seventh season, regular staff writers were Wells, O'Donnell, Noah, Eli Attie, Debora Cahn, Josh Singer and Lauren Schmidt, while cast member Bradley Whitford wrote his second episode of the series. The regular directors were Misiano, Graves, Andrew Bernstein and Lesli Linka Glatter.

Question: Who was the producer of Seven?
Answer: Arnold Kopelson.