By how many more points did the 49ers score then the New York Giants in the 1984 playoffs?
return the  1984 playoffs ;return points scored of the  49ers of  #1 ;return points scored of the  New York Giants of  #1 ;return number of  #2 ;return number of  #3 ;return the  difference of #4 and  #5
['select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']