How many more Jews do Historians think the 1st Regiment actually killed than initally was reported?
return Jews ;return #1 that Historians think the  1st Regiment actually killed ;return #1 that are initally reported to be killed ;return number of  #2 ;return number of  #3 ;return the  difference of #4 and  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']