Task: Question Decomposition
Input (English): question: Dauphin to try to seize power how many years before John II died in London?
Output (English): #1 return Dauphin try to seize power 
#2 return John II died in  London 
#3 return year of #1 
#4 return year of #2 
#5 return the  difference of #3 and  #4