Show the names of customers who have both an order in completed status and an order in part status.
return customers ;return orders of #1 ;return statuses of #2 ;return #2 where #3 is  completed ;return #2 where #3 is  part ;return number of  #4 for each #1 ;return number of  #5 for each #1 ;return #1 where #6 is  at least one ;return #1 where #7 is  at least one ;return #1 in both #8 and #9 ;return the  names of #10
['select', 'project', 'project', 'comparative', 'comparative', 'group', 'group', 'comparative', 'comparative', 'intersection', 'project']