Show the apartment numbers of apartments with bookings that have status code both "Provisional" and "Confirmed"
return apartments ;return bookings of  #1 ;return #1 where #2 is  Provisional ;return #1 where #2 is  Confirmed ;return #1 of  both #3 and  #4 ;return apartment numbers of  #5
['select', 'project', 'comparative', 'comparative', 'intersection', 'project']