In what year was Super Bowl XIX played?

Which team did the San Francisco 49ers defeat in Super Bowl XIX? Who was named MVP of Super Bowl XIX? In which city was Super Bowl XIX played? Which head coach led the San Francisco 49ers to victory in Super Bowl XIX? Richard Dent was named MVP of which Super Bowl? In which city was Super Bowl XX played? In what year was Super Bowl XX played? Which team did the New York Giants defeat in Super Bowl XXI?