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Monkstown Hockey Club ( ' town ; Irish Cumann Haca Baile na Manach ) established in 1894 is one of the oldest in Ireland located at Rathdown School in Dun Laoghaire , Dublin .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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