183717
This was followed by Ophelia in Calixto Bieito 's Hamlet , for which she won a Herald Angel award , and Helen of Troy in Troilus and Cressida for Peter Stein .
 Calixto Bieito, Peter Stein
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Calixto Bieito, Peter Stein