How many more total yards of field goals did Jason Hanson kick than Mason Crosby?
return field goals ;return #1 of Jason Hanson ;return #1 of Mason Crosby ;return yards of #2 ;return yards of #3 ;return sum of #4 ;return sum of #5 ;return difference of #6 and  #7
['select', 'filter', 'filter', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']