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Old Ebbitt Grill in Washington , D.C . was third ( with $ 26.7 million in revenues ) .
 Old Ebbitt Grill, Washington , D.C .
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Old Ebbitt Grill, Washington , D.C .