64670
Ma was appointed Military Governor of Suiyuan by the Beiyang government and served in that position from 1921 – 1925 .
 Suiyuan, Beiyang
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Suiyuan, Beiyang