question: Did fewer households have someone aged 65 or older living alone or children under the age of 18 living with them?
#1 return households 
#2 return #1 with someone aged 65 or  older living  alone 
#3 return #1 with children under the  age of  18 
#4 return number of  #2 
#5 return number of  #3 
#6 return which is lowest of #4 ,  #5