what is the tallest mountain in australia 7320ft?
return australia ;return mountains of #1 ;return height of #2 ;return #2 where  #3 is highest ;return #2 where  #3 is equal to  7320ft ;return #2 in  both  #4 and #5
['select', 'project', 'project', 'superlative', 'comparative', 'intersection']