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Johanna Maria Lehtinen ( née Risku , born 21 February 1979 in Parkano ) is a Finnish middle distance runner , who specializes mainly in the 3000 metres steeplechase .
 Johanna, Lehtinen, Parkano, Finnish
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:
 Johanna, Lehtinen, Parkano, Finnish