Chuck Howley was named MVP of which Super Bowl?

In which city was Super Bowl IV played? Which head coach led the Kansas City Chiefs to victory in Super Bowl IV? In what year was Super Bowl IV played? Which team did the Baltimore Colts defeat in Super Bowl V? In which city was Super Bowl V played? Which head coach led the Baltimore Colts to victory in Super Bowl V? In what year was Super Bowl V played? Which team did the Dallas Cowboys defeat in Super Bowl VI?