2015
The 26-year-old O'Brien , who won the ATP Tour stop in New Haven last week , has now won 18 of his last 20 matches , dating back to qualifying rounds in Los Angeles in late July .
 New Haven, O'Brien, ATP Tour, Los Angeles
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 New Haven, O'Brien, ATP Tour, Los Angeles