Task: Question Generation
Input (English): #1 return courses 
#2 return students who  attended #1 
#3 return #2 where  #1 is statistics 
#4 return ids of  #3 
#5 return attendance dates of  #3 
#6 return #4 sorted by #5
Output (English): List the id of students who attended  statistics courses in the order of attendance date.