What year was the AFC football team founded that Charles Louis Bivins played for?
Charlie Bivins: Charles Louis Bivins (born October 16, 1938 – died March 15, 1994) was a retired American football running back who played for the National Football League's Chicago Bears and Pittsburgh Steelers and the American Football League's Buffalo Bills. Pittsburgh Steelers:  The Steelers compete in the National Football League (NFL), as a member club of the league's American Football Conference (AFC) North division. Pittsburgh Steelers:  Founded in 1933 , the Steelers are the oldest franchise in the AFC.
1933