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The nave ( consecrated May 12 , 1844 ) is the oldest public building in continuous use in the city of Memphis and was designed by Calvary 's second Rector , The Rev. Philip Alston .
 Memphis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Memphis