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Sitake became the first native Tongan named a defensive coordinator at an NCAA Football Bowl Subdivision school when the resignation of the previous defensive coordinator , Gary Andersen , became effective .
 Sitake, Gary Andersen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sitake, Gary Andersen