in the 50 states where is the tallest mountain and its name?
return the  50 states ;return mountains of #1 ;return height of #2 ;return #2 where  #3 is highest ;return where  is #4 ;return name of #4 ;return #5 , #6
['select', 'project', 'project', 'superlative', 'project', 'project', 'union']