How many yards shorter was Suishams shortest field goal of the first half than his longest?
return Suishams ;return field goals of #1 ;return #2 in  the  first half ;return yards of #3 ;return shortest of #4 ;return longest of #4 ;return the  difference of #5 and  #6
['select', 'project', 'filter', 'project', 'aggregate', 'aggregate', 'arithmetic']