what are india's largest cities and towns?
return india ;return cities of #1 ;return towns of #1 ;return size of #2 ;return size of #3 ;return #2 where  #4 is highest ;return #3 where  #5 is highest ;return #6 , #7
['select', 'project', 'project', 'project', 'project', 'superlative', 'superlative', 'union']