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Creighton served as the head coach at Ottawa University from 1997 to 2000 and at Wabash College from 2001 to 2007 .
 Creighton, Ottawa University, Wabash College
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Creighton, Ottawa University, Wabash College