6720
Alabama simply cannot throw the football , which is a good thing , because Auburn ' s defensive backfield is second to none .
 Alabama, Auburn, Auburn ' s defensive backfield
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 Alabama, Auburn, Auburn ' s defensive backfield