Approximately how many more men did the Ming army have, over Esen's army?
return the  Ming army ;return men of #1 ;return number of  #2 ;return Esen 's army  ;return men of #4 ;return number of  #5 ;return difference of #3 and  #6
['select', 'project', 'aggregate', 'select', 'project', 'aggregate', 'arithmetic']