How many more touchdowns in the second quarter did the Patriots score compared to the Steelers?
return touchdowns ;return #1 that are in  second quarter ;return #2 of Patriots ;return #2 of Steelers ;return number of  #3 ;return number of  #4 ;return difference of #5 and  #6
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']