Question: Which American screen writer won a Primetime Emmy Award for his work on "The West Wing", and also wrote "Sportsnight" and "The Newsroom"?
Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] "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. [END] 
Answer: 
Aaron Sorkin
Aaron Sorkin