How many more troops did Montecuccoli have than Zrinski?
return Montecuccoli ;return Zrinski ;return troops of #1 ;return troops of #2 ;return number of  #3 ;return number of  #4 ;return the  difference of #5 and  #6
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']