52870
Her personal best times are 23.41 seconds in the 200 metres , achieved in April 2005 in Oxford ; and 50.83 in the 400 metres , achieved in June 2005 in Sacramento .
 Oxford, Sacramento
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Oxford, Sacramento