Which apartments have unit status availability of both 0 and 1? Return their apartment numbers.
return apartments ;return unit status availabilities of #1 ;return #1 where #2 is 0 ;return #1 where #2 is 1 ;return #1 in  both #3 and  #4 ;return apartment numbers of #5
['select', 'project', 'comparative', 'comparative', 'intersection', 'project']