47122
Northwestern first played football in 1876 there are claims that Knowlton Ames was their first coach , not Noyes .
 Northwestern, Knowlton Ames, Noyes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Northwestern, Knowlton Ames, Noyes