What happened first, the war between Wallachia and Ottomans or the Battle of Mezőkeresztes?
return the  war between Wallachia and  Ottomans ;return the  Battle of Mezőkeresztes ;return when  was  #1 ;return when  was  #2 ;return which is lowest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']