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He has been a prosecutor for 27 years , and was Los Angeles County District Attorney from 2000 to 2012 , in which he defeated incumbent two-term District Attorney Gil Garcetti , a Democrat .
 Gil Garcetti, Democrat
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gil Garcetti, Democrat