66107
In 2011 , six countries were still using leaded gasoline : Afghanistan , Myanmar , North Korea , Algeria , Iraq and Yemen .
 Afghanistan, Myanmar, North Korea, Algeria, Iraq, Yemen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Afghanistan, Myanmar, North Korea, Algeria, Iraq, Yemen