How many yards longer was Ryan Longwell's longest field goal compared to Steven Hauschka's only successful field goal?
return Ryan Longwell ;return field goals of #1 ;return yards of #2 ;return longest of #3 ;return Steven Hauschka ;return field goal  of #5 ;return yards of #6 ;return difference of #4 and  #7
['select', 'project', 'project', 'aggregate', 'select', 'project', 'project', 'arithmetic']