Question: Which American screen writer won a Primetime Emmy Award for his work on "The West Wing", and also wrote "Sportsnight" and "The Newsroom"?

full_context: Document 1: Goodbye, Toby: "Goodbye, Toby" is the fourth season hour-long finale of the American comedy television series "The Office", and the show's seventy-first and seventy-second episodes overall. Written by Paul Lieberstein and Jennifer Celotta, and directed by Paul Feig, the episode first aired in the United States on May 15, 2008 on NBC.
Document 2: The West Wing: The West Wing is an American serial political drama television series created by Aaron Sorkin that was originally broadcast on NBC from September 22, 1999, to May 14, 2006. The series is set primarily in the West Wing of the White House, where the Oval Office and offices of presidential senior staff are located, during the fictitious Democratic administration of Josiah Bartlet (played by Martin Sheen).
Document 3: Pilot (Studio 60 on the Sunset Strip): "Pilot" is the first episode of the television series "Studio 60 on the Sunset Strip". The episode was first aired in the United States on the NBC network on September 18, 2006. Written by series creator Aaron Sorkin, and directed by executive producer Thomas Schlamme, the episode introduces the chaotic behind-the-scenes depiction of a fictional "Saturday Night Live" type show also called "Studio 60 on the Sunset Strip".
Document 4: Prescription for Death: "Prescription for Death" is the first and pilot episode of the long-running crime drama television series "Law & Order". It was aired on September 13, 1990. Although it was the first episode of the series to air, it is not the pilot. The pilot episode, "Everybody's Favorite Bagman", which was filmed two years prior to the rest of the first season, was aired as the sixth episode. "Prescription for Death" is based upon the death of Libby Zion.
Document 5: Studio 60 on the Sunset Strip: Studio 60 on the Sunset Strip is an American comedy-drama television series created and primarily written by Aaron Sorkin.
Document 6: Moneyball (film): Moneyball is a 2011 American sports drama film directed by Bennett Miller and written by Steven Zaillian and Aaron Sorkin. The film is based on Michael Lewis's 2003 nonfiction book of the same name, an account of the Oakland Athletics baseball team's 2002 season and their general manager Billy Beane's attempts to assemble a competitive team.
Document 7: Ron Ostrow: Ron Ostrow is an American actor who mostly appears on television. His first major credit was in the Aaron Sorkin movie "A Few Good Men" in 1992, where he played an MP. He was in the original stage version playing the role of The Sentry. He has since made appearances in many other Sorkin projects, including "Sports Night", "The West Wing", "Studio 60 on the Sunset Strip" and the upcoming "The Newsroom". He has also featured in guest and recurring roles on a number of other television series, including "Law & Order", "Party of Five", "Fired Up", "Ally McBeal", "Boston Legal" and "Scandal", as well as the films "Charlie Wilson's War" and "The Incredible Burt Wonderstone".
Document 8: Matt Charman: Matt Charman is a British screenwriter, playwright, and producer. He was nominated for an Academy Award for best original screenplay for his 2015 film "Bridge of Spies", directed by Steven Spielberg and co-written with Joel and Ethan Coen. Charman started out writing for theatre, making his breakthrough as writer-in-residence at London’s National Theatre, where then director Nicholas Hytner described Charman as having "a priceless nose for a story." He recently wrote the pilot episode of "Oasis", a sci-fi drama for Amazon Video adapting Michel Faber's "The Book of Strange New Things", and is working on a second movie for Steven Spielberg's Amblin Partners, based on Walter Cronkite’s 1968 visit to Vietnam.
Document 9: Alvin Sargent: Alvin Sargent (born April 12, 1927) is an American screenwriter. He won two Academy Awards, one in 1978 and another in 1981, for his screenplays of "Julia" and "Ordinary People". His most popular contribution has been being involved in the writing of most of the films in Sony's "Spider-Man" film series ("The Amazing Spider-Man 2" is the first exception to this).
Document 10: Health Care (The Office): "Health Care" is the third episode of the first season of the American comedy television series "The Office", and the show's third episode overall. Written by Paul Lieberstein, who also acts in the show as Toby Flenderson, and directed by Ken Whittingham, the episode first aired in the United States on April 5, 2005 on NBC.
Document 11: Stephen Gaghan: Stephen Gaghan (born May 6, 1965) is an American screenwriter and director. He is noted for writing the screenplay for Steven Soderbergh's film "Traffic", based on a Channel 4 series, for which he won the Academy Award, as well as "Syriana" which he wrote and directed.
Document 12: Aaron Sorkin: Aaron Benjamin Sorkin (born June 9, 1961) is an American screenwriter, director, producer and playwright. His works include the Broadway plays "A Few Good Men" and "The Farnsworth Invention"; the television series "Sports Night", "The West Wing", "Studio 60 on the Sunset Strip" and "The Newsroom"; and the films "A Few Good Men", "The American President", "Charlie Wilson's War", "Moneyball" and "Steve Jobs". For writing "The Social Network", he won the Oscar for Best Adapted Screenplay, among other awards. He made his feature directorial debut in 2017 with "Molly's Game", which he also wrote.
Document 13: The Social Network: The Social Network is a 2010 American biographical drama film directed by David Fincher and written by Aaron Sorkin. Adapted from Ben Mezrich's 2009 book "The Accidental Billionaires: The Founding of Facebook, A Tale of Sex, Money, Genius, and Betrayal", the film portrays the founding of social networking website Facebook and the resulting lawsuits. It stars Jesse Eisenberg as founder Mark Zuckerberg, along with Andrew Garfield as Eduardo Saverin, Justin Timberlake as Sean Parker, and Armie Hammer as Cameron and Tyler Winklevoss. Neither Zuckerberg nor any other Facebook staff were involved with the project, although Saverin was a consultant for Mezrich's book. The film was released in the United States by Columbia Pictures on October 1, 2010.
Document 14: In Excelsis Deo: "In Excelsis Deo" is the tenth episode of the first season of "The West Wing". It originally aired on NBC December 15, 1999, as the show's Christmas special. Events circle around Toby getting involved in the fate of a dead Korean War veteran, reactions to a severe hate crime, and the ongoing controversy surrounding Leo's past alcohol and prescription drug abuse. Written by Aaron Sorkin and Rick Cleveland and directed by Alex Graves, the episode contains guest appearances by Paul Austin and Raynor Scheine. It also earned Sorkin and Cleveland the Primetime Emmy Award for Outstanding Writing for a Drama Series, as well as one for Richard Schiff.
Document 15: Waldorf Stories: "Waldorf Stories" is the sixth episode of the fourth season of the American television drama series "Mad Men", and the 45th overall episode of the series. It was written by Brett Johnson and series creator and executive producer Matthew Weiner, and directed by Scott Hornbacher. The episode originally aired on the AMC channel in the United States on August 29, 2010. This was the same evening that "Mad Men" received the award for Outstanding Drama Series at the 2010 Primetime Emmy Awards.
ground_truth: Aaron Sorkin