59979
The great start to his Davis Cup career would continue in the 1999 semi-finals against Russia where he would record another two wins against Marat Safin and Yevgeny Kafelnikov .
 Russia, Marat Safin, Yevgeny Kafelnikov
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Russia, Marat Safin, Yevgeny Kafelnikov