Task: Question Generation
Input (English): #1 return Von Heideck was  named commander of Nafplion 
#2 return Von Heideck did go back to the  Bavarian army 
#3 return year of #1 
#4 return year of #2 
#5 return difference of #4 and  #3
Output (English): How many years after being named commander of Nafplion did Von Heideck go back to the Bavarian army?