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Seeds Radek Štěpánek ( Final ) Igor Andreev ( First Round ) Mardy Fish ( Second Round ) Sam Querrey ( Quarterfinals ) Draw Finals Top Half Bottom Half External links
 Radek Štěpánek, Igor Andreev, Mardy Fish, Sam Querrey
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Radek Štěpánek, Igor Andreev, Mardy Fish, Sam Querrey