9502
He retired after the 2016 – 17 season , and joined Dinamo Riga 's coaching staff on October 2 , 2017 .
 Dinamo Riga
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dinamo Riga