Task: Question Decomposition
Input (English): question: What is the first name of the student whose last name starts with the letter S and is taking ACCT-211?
Output (English): #1 return students 
#2 return #1 that  are taking ACCT-211 
#3 return the   last names of #2 
#4 return #2 where #3 starts with  the   letter S 
#5 return the   first name of #4