Task: Question Generation
Input (English): #1 return Charles I journeyed from  Oxford to Newark 
#2 return Charles I did surrender to General David Leslie 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return difference of #3 and  #4 in  days
Output (English): How many days after Charles I journeyed from Oxford to Newark did he surrender to General David Leslie?