Task: Question Decomposition
Input (English): question: How many more was the average household size than the family size?
Output (English): #1 return households 
#2 return families 
#3 return sizes of #1 
#4 return sizes of #2 
#5 return the  average of #3 
#6 return the  average of #4 
#7 return the  difference of #5 and  #6