In the NFC Championship Game between Dallas and the Reskins, how many points more did the Cowboys score than the Redskins?
return the  Redskins ;return the  Cowboys ;return points scored of #1 ;return points scored of #2 ;return #3 in  the  NFC Championship Game ;return #4 in  the  NFC Championship Game ;return number of  #5 ;return number of  #6 ;return the  difference of #8 and  #7
['select', 'select', 'project', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']