214428
Produced by Sonia Friedman it opened at the Comedy Theatre in London 's West End on 30 September 2009 following previews from 17 September .
 Sonia Friedman, West End
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sonia Friedman, West End