Task: Question Generation
Input (English): #1 return the  regiment was  transffered to the   Department  of Arizona 
#2 return the  regiment was  transffered to the   Department  of Dakota 
#3 return year of #1 
#4 return year of #2 
#5 return difference of #4 and  #3
Output (English): How many years after the regiment ws transffered to the Department of Arizona was it then transffered to the Department of Dakota?