The 2013 OSN Cup was held at the stadium that has what nickname?
2013 OSN Cup: The 2013 OSN Cup was an association football tournament held in Riyadh, Saudi Arabia from 5 September 2013 to 9 September 2013. King Fahd International Stadium: The King Fahd International Stadium (Arabic: استاد الملك فهد الدولي‎ ‎ ) also nicknamed Pearl Of Stadiums, in Arabic (Durrat Al-Mala'eb) (Arabic: درة الملاعب ) or simply The Pearl, in Arabic (Addurra) (Arabic: الدرة) is a multi-purpose stadium in Riyadh, Saudi Arabia.
i don't know