Task: Question Generation
Input (English): #1 return teachers 
#2 return last names of  #1 
#3 return #1 where  #2 is  Schultz 
#4 return detentions of  #3 
#5 return start dates of  #4 
#6 return end dates of  #4 
#7 return #5 ,   #6
Output (English): Find the start and end dates of detentions of teachers with last name "Schultz".