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After his playing career he was a assistant coach of 1 . FC Košice and the Slovakia national under-21 football team ( 1993 – 97 ) alongside Milan Lešický .
 1 . FC Košice, Slovakia national under-21 football team
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 1 . FC Košice, Slovakia national under-21 football team