100971
Xiahou Zi passed the imperial examination s in the Jinshi class in 826 , during the reign of Emperor Jingzong .
 Xiahou Zi, Emperor Jingzong
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Xiahou Zi, Emperor Jingzong