question: Count the number of cards the customer with the first name Art and last name Turcotte has.
#1 return customers 
#2 return first names of  #1 
#3 return #1 where #2 is  Art 
#4 return last names of  #1 
#5 return #1 where #4 is  Turcotte 
#6 return #1 of  both #3 and  #5 
#7 return cards of  #6 
#8 return number of  #7