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National records Wolniak set the Polish Records in the 50m , 100 , and 200m breaststrokes at the 2009 Polish Nationals ( 50m ) in Ostrowiec Świętokrzyski , Poland , May 21 – 24 .
 Wolniak, Ostrowiec Świętokrzyski , Poland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
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Answer:
 Wolniak, Ostrowiec Świętokrzyski , Poland