50104
Career Siapa Ivouloungou was elected to the National Assembly in the 2002 parliamentary election as the UPADS candidate in Mayoko constituency , located in Niari Region ; he won the seat in the first round with 54.38 % of the vote .
 Siapa Ivouloungou, Mayoko, Niari Region
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Siapa Ivouloungou, Mayoko, Niari Region