How many yards difference was Shayne Graham’s field goal compared to Nick Folk’s field goal?
return Shayne Graham ;return Nick Folk ;return field goal  of #1 ;return field goal  of #2 ;return yards of #3 ;return yards of #4 ;return the  difference of #5 and  #6
['select', 'select', 'project', 'project', 'project', 'project', 'arithmetic']