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With partner and fiancée Albena Denkova , he is a two-time ( 2006 – 2007 ) World champion , a two-time ( 2003 – 2004 ) European silver medalist , and the 2006 Grand Prix Final champion .
 Albena Denkova
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Albena Denkova