202316
It lies near near the site of the former RAF Bishopscourt installation , which closed in 1990 , and much of the housing outside the boundaries of the traditional settlement ( such as Killard Square ) was used by RAF airmen .
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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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