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Kenneth W. " Ken " Keuffel ( September 19 , 1923 – February 19 , 2006 ) was the 25th head football coach for the Wabash College Little Giants located in Crawfordsville , Indiana and he held that position for six seasons , from 1961 until 1966 .
 Kenneth W., Keuffel, Crawfordsville , Indiana
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Answer:
 Kenneth W., Keuffel, Crawfordsville , Indiana