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Nielikäinen 's most famous rivalries include the one with fellow SM-liiga player Sami Helenius and his single fight against NHL - toughguy Ryan Vandenbusche in 2005/06 season from which HIFK and Jokerit got fined 50.000 euros/team .
 Nielikäinen, SM-liiga, Sami Helenius, NHL, Ryan Vandenbusche, Jokerit
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nielikäinen, SM-liiga, Sami Helenius, NHL, Ryan Vandenbusche, Jokerit