How many students were not in kindergarten, pre-school or obligatory school?
return students ;return #1 in  kindergarten ;return #1 in  pre-school ;return #1 in  obligatory school ;return number of  #1 ;return number of  #2 ;return number of  #3 ;return number of  #4 ;return sum of #6 ,  #7 ,   #8 ;return the  difference of #5 and  #9
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'aggregate', 'arithmetic', 'arithmetic']