 Complete the following phrase:  Wei Yan was from Yiyang Commandery , which covered parts of present-day Nanyang in southern He and parts of northern Hubei. He started his career as a foot soldier under the warlord Liu Bei, probably sometime between 209 and 211 when Liu Bei was in southern Jing Province covering present-day Hubei and Hu. Around 212, he followed Liu Bei into Yi Province covering present-day Sichuan and Chongqing and fought on Liu Beis side in 