50197
Qin Yilu 's ex-wife , Lady Du ( 杜氏 ) , remained in Xiapi ( 下邳 ; present-day Pizhou , Jiangsu ) , the capital of Xu Province ( which was controlled by Lü Bu ) .
 Qin, Pizhou, Jiangsu, Lü Bu
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Qin, Pizhou, Jiangsu, Lü Bu