Task: Question Generation
Input (English): #1 return the  city 
#2 return people that lived in  #1 
#3 return #2 in  2010 
#4 return #2 in  2000 
#5 return number of  #3 
#6 return number of  #4 
#7 return difference of #5 and  #6
Output (English): How many more people lived in the city in 2010 comapred to 2000?