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Richard W. Longworth ( January 19 , 1968 – April 15 , 2005 ) was a murder er executed by the U.S. state of South Carolina by lethal injection .
 Longworth, South Carolina
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Longworth, South Carolina