59934
In the final , he faced fourth seed , Marat Safin , who had defeated No. 1 and defending champion Roger Federer in the semi-finals .
 Marat Safin, Roger Federer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Marat Safin, Roger Federer