For which film did Aaron Sorkin receive his first Academy Award nomination?

Explanation

The American script writer Aaron Sorkin (born 1961) originally dreamed of becoming an actor, but quickly realised that his real passion was writing. He wrote the stage play "A Few Good Men", which was later turned into his first film also, in 1992. After this, he saw success with "Malice", "The American President" and the tv series "The West Wing". He wrote the script for the film "Charlie Wilson's War" starring Tom Hanks in 2007, and in 2010 he finally received his first Academy Award nomination for the film "The Social Network". He ended up winning it. In 2012, he was nominated for the film "Moneyball". Sorkin is known for his strong and intelligent female roles.