Were there more households with children under the age of 18, or more households that were non-families?
return households ;return #1 with children under the  age of 18 ;return #1 that were non-families ;return number of  #2 ;return number of  #3 ;return which is highest of #4 ,  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']