Question: Obafemi Martins scored one goal in in Birmingham City F.C.'s 2011 final win against Arsenal, what is the nationality of the other goal-scorer?
{'answer': 'Serbian', 'supporting_facts': [['2010–11 Birmingham City F.C. season', 1], ['2010–11 Birmingham City F.C. season', 3], ['Nikola Žigić', 0]]}