the largest 3 cities in georgia?
return georgia ;return cities of #1 ;return largest of #2 ;return #2 besides  #3 ;return largest of #4 ;return #2 besides  #5 ;return largest of #6 ;return #3 and #5 ;return #8 and #7
['select', 'project', 'aggregate', 'discard', 'aggregate', 'discard', 'aggregate', 'union', 'union']