How many more yards in touchdowns did Miles Austin have compared to Tashard Choice?
return Miles Austin ;return Tashard Choice ;return touchdowns of #1 ;return touchdowns of #2 ;return yards of #3 ;return yards of #4 ;return sum of #5 ;return sum of #6 ;return difference of #7 and  #8
['select', 'select', 'project', 'project', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']