 Complete the following phrase:  Al-Qaʿqāʿ ibn ʿAmr ibn Mālik al-Tamimī  was a sahabi of Banu Tamim. He and his tribe converted to Islam possibly during the time of Ahnaf ibn Qais. He is known as a successful Military Commander who took part in two important victorious battles in early Muslim Conquest, the Battle of Yarmouk against the Byzantine Empire commanded by Khalid ibn al-Walid and the 