Find the name and population of district with population between 200000 and 2000000
return districts ;return population of #1 ;return #1 where #2 is at least 200000 ;return #1 where #2 is at most 2000000 ;return #1 in  both #3 and  #4 ;return name of #5 ;return population of #5 ;return #6 ,  #7
['select', 'project', 'comparative', 'comparative', 'intersection', 'project', 'project', 'union']