List the names of buildings with at least 200 feet of height and with at least 20 floors.
return buildings ;return heights of  #1 ;return #1 where  #2 is at least 200 feet ;return floors of  #1 ;return number of  #4 for each  #1 ;return #1 where  #5 is at least 20 ;return #1 of  both #3 and #6 ;return names of  #7
['select', 'project', 'comparative', 'project', 'group', 'comparative', 'intersection', 'project']