Tao Qian requested aid from his allies in Qing Province .
Tao Qian was joined by Tian Kai and his subordinate Liu Bei , and with the reinforcements Tao Qian was able to resist Cao Cao .
Tao Qian requested aid from his allies in Qing Province , and was joined by Tian Kai and his subordinate Liu Bei , and with the reinforcements Tao Qian was able to resist Cao Cao .