generate questions: 122nd Street is mentioned in the movie Taxi Driver by main character Travis Bickle as the location where a fellow cab driver is assaulted with a knife. The street and the surrounding neighborhood of Harlem is then referred to as "Mau Mau Land" by another character named Wizard, slang indicating it is a majority black area.
Who is the main character in Taxi Driver? {sep_token} What street is mentioned in the movie Taxi Driver as the location where a cab driver is assaulted? {sep_token} Which character in Taxi Driver deemed 122nd Street as "Mau Mau Land"? {sep_token} What is the term given to 122nd Street by Wizard in Taxi Driver indicating the area is majority black? {sep_token} Which neighborhood surrounds 122nd Street?