Were there more households with female householder (with no husband present) or male household (with no wife present)?
return households ;return #1 with a female householder with  no husband present ;return #1 with a male householder with  no wife present ;return number of  #2 ;return number of  #3 ;return which is highest of #4 ,  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']