How many yards longer was fourth quarter's total yards of field goals over overtime's total yards of field goals?
return field goals ;return #1 in  the  fourth quarter ;return yards  of #2 ;return sum of #3 ;return #1 in  overtime ;return yards  of #5 ;return sum of #6 ;return difference of #4 and  #7
['select', 'filter', 'project', 'aggregate', 'filter', 'project', 'aggregate', 'arithmetic']