87230
However , due to Silla 's entrenched bone rank system , which dictated that appointments be made on the basis of birth , these examinations did not have a strong effect on the government .
 Silla
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Silla