200837
He debuted in Pennsylvania in 1838 , at the Walnut Street Theater , Pittsburgh and specialized in " dandy " roles : in 1842 he was a particular hit as a character called " Fancy Cool " in Silas S. Steele 's Philadelphia Assurance .
 Pennsylvania, Philadelphia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pennsylvania, Philadelphia