193914
History Crookes Valley Park covers an area of approximately 4.8 hectares ( 11.9 acres ) , the majority of the park is taken up by the lake which was originally a water supply reservoir called the Old Great Dam .
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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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