90102
) from the finale of Mikhail Glinka 's opéra " A Life for the Tsar " ; a historical drama about a patriotic commoner , Ivan Susanin .
 Mikhail Glinka, Ivan Susanin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mikhail Glinka, Ivan Susanin