What was the name of the country first: Dai Viet or Dai Ngu?
return the  name of the country was  Dai Viet ;return the  name of the country was  Dai Ngu ;return when  was  #1 ;return when  was  #2 ;return which is the  lowest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']