799
Of course this is the home of the anti - war demonstrations stemming back to the Vietnam War but there are close to between 500 and 1 , 000 people .
 this, the home of the anti - war demonstrations stemming back to the Vietnam War, Vietnam, close to between 500 and 1 , 000 people
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 this, the home of the anti - war demonstrations stemming back to the Vietnam War, Vietnam, close to between 500 and 1 , 000 people