59135
She beat fifth ranked Nadia Petrova 6 – 7 , 6 – 4 , 6 – 3 , and 9th ranked Elena Dementieva 6 – 2 , 6 – 0 .
 Nadia Petrova, Elena Dementieva
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nadia Petrova, Elena Dementieva