How many people total made up homemaking, students and those unable to work?
return people ;return #1 that made up homemaking ;return #1 that made up students ;return #1 that made up those unable to work ;return number of  #2 ;return number of  #3 ;return number of  #4 ;return sum of #5 and  #6 ;return sum of #7 and  #8
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'arithmetic', 'arithmetic']