How many yards shorter was Earnest Graham's touchdown compared to Edgerrin James'?
return Earnest Graham ;return Edgerrin James ;return touchdown of #1 ;return touchdown of #2 ;return yards of #3 ;return yards of #4 ;return the  difference of #5 and  #6
['select', 'select', 'project', 'project', 'project', 'project', 'arithmetic']