Which team did the Pittsburgh Steelers defeat in Super Bowl IX?

Larry Csonka was named MVP of which Super Bowl? In which city was Super Bowl VIII played? Which head coach led the Miami Dolphins to victory in Super Bowl VIII? In what year was Super Bowl VIII played? Who was named MVP of Super Bowl IX? Franco Harris was named MVP of which Super Bowl? In which city was Super Bowl IX played? Which head coach led the Pittsburgh Steelers to victory in Super Bowl IX?