Task: Question Decomposition
Input (English): question: How many days after arriving to Constantinople did Polin go back to Toulon?
Output (English): #1 return Polin arriving to Constantinople 
#2 return Polin go back to Toulon 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return difference of #4 and  #3 in  days