List first name and last name of customers that have more than 2 payments.
return customers ;return payments of  #1 ;return number of  #2 for each  #1 ;return #1 where  #3 is higher than 2 ;return first names of  #4 ;return last names of  #4 ;return #5 ,  #6
['select', 'project', 'group', 'comparative', 'project', 'project', 'union']