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Alvin H. Culver ( March 9 , 1873 – July 17 , 1955 ) was an American football player and coach .
 Alvin H. Culver
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alvin H. Culver