How many more men did Fulcher of Chartres estimate that the Egyptian army had than modern historians minimum?
return the  Egyptian army ;return men of #1 ;return #2 that Fulcher of Chartres estimate ;return #2 that modern historians estimate minimum ;return number of  #3 ;return number of  #4 ;return the  difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']