How many more yards from scrimmage did Ezekiel Elliot have than Dez Bryant had receiving yards?
return Ezekiel Elliot ;return Dez Bryant ;return yards  from  scrimmage of #1 ;return receiving yards  of #2 ;return sum of #3 ;return sum of #4 ;return the  difference of #5 and  #6
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']