Find the name, city, and country of the airport that has the lowest altitude.
return airports ;return altitudes of  #1 ;return #1 where  #2 is  lowest ;return name of  #3 ;return city of  #3 ;return country of  #3 ;return #4 ,   #5 , #6
['select', 'project', 'superlative', 'project', 'project', 'project', 'union']