Task: Question Generation
Input (English): #1 return the  inheritance treaty was  signed 
#2 return the  Emperor did take back control of Schwiebus 
#3 return year of #1 
#4 return year of #2 
#5 return difference of #4 and  #3
Output (English): How many years passed of the inheritance treaty being signed and the Emperor taking back control of Schwiebus?