Which happened first, the rebels took Chiang Mai or  Singu took no action when Vientiane and Luang Prabang stopped paying tribute?
return the  rebels took Chiang Mai ;return Singu took no action when  Vientiane and  Luang Prabang stopped paying tribute ;return when  was  #1 ;return when  was  #2 ;return which is lowest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']