How many of Alaungpaya's cavalry were not Manipuri "Cassay Horse"?
return Alaungpaya ;return cavalry of #1 ;return #2 that were Manipuri Cassay Horse ;return number of  #2 ;return number of  #3 ;return the  difference of #4 and  #5
['select', 'project', 'filter', 'aggregate', 'aggregate', 'arithmetic']