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Pistvakt – En vintersaga ( English : Slope guard - A winter fairy tale ) was a Swedish television series , produced and aired by SVT subdepartment SVT Drama .
 SVT, SVT
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 SVT, SVT