Task: Question Generation
Input (English): #1 return Ashkelon 
#2 return inhabitants of #1 
#3 return #2 in  2005 
#4 return #2 in  1955 
#5 return number of  #3 
#6 return number of  #4 
#7 return difference of #5 and  #6
Output (English): How many more inhabitants did Ashkelon have in 2005 than in 1955?