what is the 3rd most populated country in the world?
return countries ;return population of #1 ;return #1 where  #2 is highest ;return #1 besides  #3 ;return #4 where  #2 is highest ;return #4 besides  #5 ;return #6 where  #2 is highest
['select', 'project', 'superlative', 'discard', 'superlative', 'discard', 'superlative']