2014
In 1941 Pudovkin , Doller , Cherkasov-Sergeyev , and Khanov received the Stalin Prize for the film .
 Pudovkin, Doller
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pudovkin, Doller