335134
Background It is not known when Wu Shaoyang was born , but it is known that his family was from Cang Prefecture ( 滄州 / 沧州 , in modern Cangzhou , Hebei ) .
 Wu Shaoyang, Cangzhou, Hebei
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Wu Shaoyang, Cangzhou, Hebei