226637
A. L. Williams ( born March 11 , 1934 ) is the former head football coach for the Northwestern State Demons and the Louisiana Tech Bulldogs .
 L. Williams, Northwestern State Demons, Louisiana Tech Bulldogs
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 L. Williams, Northwestern State Demons, Louisiana Tech Bulldogs