Count the number of cards the customer with the first name Art and last name Turcotte has.
return customers ;return first names of  #1 ;return #1 where #2 is  Art ;return last names of  #1 ;return #1 where #4 is  Turcotte ;return #1 of  both #3 and  #5 ;return cards of  #6 ;return number of  #7
['select', 'project', 'comparative', 'project', 'comparative', 'intersection', 'project', 'aggregate']