How many more households were there that were Married living together compared to those that had a female household with no husband present?
return households ;return #1 that were Married living together ;return #1 that had a female with no husband present ;return number of  #2 ;return number of  #3 ;return difference of #4 and  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']