186972
Seeds Julian Knowle / Filip Polášek ( Semifinals ) František Čermák / Michal Mertiňák ( First round ) Draw Draw References
 Julian Knowle, Filip Polášek, František Čermák, Michal Mertiňák
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Julian Knowle, Filip Polášek, František Čermák, Michal Mertiňák