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?
2010–11 Birmingham City F.C. season:  It ran from 1 July 2010 to 30 June 2011. Nikola Žigić: Nikola Žigić (, ] ; born 25 September 1980) is a former Serbian international footballer who played as a centre forward.
i don't know