Which city from the census is larger: Ungheni or  Cahul?
return the  census ;return cities from  #1 ;return size of #2 ;return #3 where #2 is Ungheni ;return #3 where #2 is Cahul ;return which is highest of #4 ,  #5
['select', 'project', 'project', 'comparative', 'comparative', 'comparison']