How many more women and children were captured than men?
return women captured ;return children captured ;return men captured ;return number of  #1 ;return number of  #2 ;return number of  #3 ;return sum of #4 and  #5 ;return the  difference of #7 and  #6
['select', 'select', 'select', 'aggregate', 'aggregate', 'aggregate', 'arithmetic', 'arithmetic']