15568
there were an estimated 400,000 Democratic Republic of the Congo migrant workers , at least 220,000 Portuguese , and about 259,000 Chinese living in Angola .
 Democratic Republic of the Congo, Angola
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Democratic Republic of the Congo, Angola