Which event happened most recently, the Burmese were driven back or the Burmese armies finally achieved encirclement of Lan Na and Lan Xang forces?
return the  Burmese were driven back ;return the  Burmese armies finally achieve encirclement of Lan  Na and  Lan Xang forces ;return when  was  #1 ;return when  was  #2 ;return which is highest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']