List the first and last name of students who are not living in the city with code HKG, and sorted the results by their ages.
return students ;return cities of  #1 ;return codes of  #2 ;return #1 where  #3 is HKG ;return #1 besides #4 ;return first names of  #5 ;return last names of  #5 ;return ages of  #5 ;return #6 ,  #7 ;return #9 sorted by #8
['select', 'project', 'project', 'comparative', 'discard', 'project', 'project', 'project', 'union', 'sort']