173859
Regina Shamvili ( ) is an American concert pianist and an artist of the United States Department of State , born in Tbilisi , Georgia .
 Regina Shamvili, United States Department of State, Tbilisi, Georgia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Regina Shamvili, United States Department of State, Tbilisi, Georgia