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The 2001 Family Circle Cup was a women 's tennis tournament played on outdoor clay courts at the Family Circle Tennis Center in Charleston , South Carolina in the United States and was part of Tier I of the 2001 WTA Tour .
 Charleston , South Carolina, United States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Charleston , South Carolina, United States