Task: Question Generation
Input (English): #1 return the  national labor union was  formed  
#2 return The Daughters of St. Crispin was  formed  
#3 return year of #1 
#4 return year of #2 
#5 return the  difference of #4 and  #3
Output (English): The Daughters of St. Crispin was formed how many years after the national labor union was formed?