Task: Question Decomposition
Input (English): question: How many months after the new campaign was launched did Chodkiewicz he lay siege to Moscow?
Output (English): #1 return the  new campaign was  launched 
#2 return Chodkiewicz lay siege to Moscow 
#3 return month of #1 
#4 return month of #2 
#5 return the  difference of #4 and  #3