user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: What NATO country's capital is Sofia? 
Knowledge Triplets: Sofia Airport, aviation.airport.hub_for, Bulgaria Air
Sofia, location.location.contains, Akademik Stadium
Sofia, periodicals.newspaper_circulation_area.newspapers, 24 Chasa
2008 FILMINI International Short Film Festival, time.event.locations, Sofia
North Atlantic Treaty Organization (NATO), organization.organization.founders, France
Balgarska Armia Stadium, location.location.containedby, Sofia
North Atlantic Treaty Organization (NATO), organization.organization.founders, Portugal
National Palace of Culture, common.topic.image, Bulgaria-Sofia-01
m.040rc0m, common.webpage.topic, Sofia University
Sofia, location.location.events, Siege of Serdica
Siege of Sofia, military.military_conflict.combatants, m.0h40s6z
The Sofia Echo, book.newspaper.headquarters, m.0h7v698
Sofia, location.location.events, 1970 FIVB Volleyball Men's World Championship
Central Sofia Cemetery, location.location.geolocation, m.0clnwyd
Central Sofia Cemetery, people.place_of_interment.interred_here, Nikola Mushanov
Sofia, location.location.contains, Balgarska Armia Stadium
Rabotnichesko Delo, book.newspaper.circulation_areas, Sofia
Sofia, location.location.events, 1950 Women's European Volleyball Championship
m.0h40s6z, military.military_combatant_group.conflict, Siege of Sofia
Stolichna municipality, location.location.containedby, Sofia
Sofia, location.location.contains, Vrana Palace
Bulgaria, military.military_combatant.military_conflicts, m.03z967f
Sofia, periodicals.newspaper_circulation_area.newspapers, The Sofia Echo
m.0cj5pdm, government.government_position_held.jurisdiction_of_office, Sofia
Sofia, location.location.events, 2008 FILMINI International Short Film Festival
Sofia Province, location.administrative_division.capital, m.0qsds9z
Sofia Airport, aviation.airport.hub_for, Air Sofia
University of National and World Economy, organization.organization.place_founded, Bulgaria
m.0jsmrxp, location.mailing_address.citytown, Sofia
Sofia, location.statistical_region.population, g.1jmcbg6sr
Sofia Airport, aviation.airport.hub_for, Air VIA
Vasil Levski National Stadium, location.location.containedby, Sofia
Sofia, common.topic.image, National Assembly Square in central Sofia
Sofia, location.location.events, 2010 International Animation Film Festival Golden Kuker - Sofia
Capital, book.newspaper.circulation_areas, Sofia
Gabra, Sofia Province, location.location.containedby, Sofia
Bulgaria, location.country.first_level_divisions, Veliko Tarnovo Province
Sofia, location.location.contains, Krastyo Sarafov National Academy for Theatre and Film Arts
Akademik Stadium, location.location.containedby, Sofia
m.03ll22v, common.webpage.topic, American College of Sofia
2008 Chelopechene explosions, time.event.locations, Sofia
University of Forestry, Sofia, freebase.valuenotation.is_reviewed, Headquarters
Siege of Serdica, time.event.locations, Sofia
Sofia University, education.educational_institution.colors, Purple
Sofia Airport, location.location.geolocation, m.02_r341
m.0j0z_gw, location.mailing_address.citytown, Sofia
Sofia, common.topic.article, m.03zbkpk
m.0_80kvh, location.mailing_address.citytown, Sofia
Sofia Airport, aviation.airport.hub_for, Aviostart
Central Sofia Cemetery, people.place_of_interment.interred_here, Mikhaylo Parashchuk
Sofia, location.location.events, Volleyball at the 1977 Summer Universiade
Georgi Asparuhov, people.person.place_of_birth, Sofia
University of National and World Economy, common.topic.image, UNWE-sofia
Sofia, location.location.contains, Lokomotiv Stadium
Central Sofia Cemetery, people.place_of_interment.interred_here, Vasil Radoslavov
American College of Sofia, location.location.containedby, Europe
Central Sofia Cemetery, people.place_of_interment.interred_here, Ivan Garvanov
Vasil Zlatarski, people.deceased_person.place_of_death, Sofia
Sofia, location.location.events, 2007 European Road Championships
Vrana Palace, location.location.containedby, Sofia
Saint Sofia Church, Sofia, location.location.geolocation, m.0wgf43z
Serdika Center Sofia, common.topic.article, m.0ch4m59
Sofia, location.location.contains, University of Forestry, Sofia
Slava Sofia, common.topic.notable_for, g.12ml1tykk
Saint Sofia Church, Sofia, common.topic.notable_types, Building
Sofia Airport, aviation.airport.focus_city_for, Wizz Air
m.0wfhx46, location.mailing_address.country, Bulgaria
m.0jtrcg9, location.mailing_address.citytown, Sofia
Sofia, location.location.nearby_airports, Sofia Airport
University of National and World Economy, location.location.containedby, Sofia
American College of Sofia, location.location.containedby, Bulgaria
National Palace of Culture, location.location.containedby, Sofia
Sofia, common.topic.notable_for, g.1254yxmpl
Serdika Center Sofia, architecture.building.building_function, Shopping mall
Central Sofia Cemetery, people.place_of_interment.interred_here, Aleksandar Malinov
North Atlantic Treaty Organization (NATO), organization.organization.founders, Canada
National Palace of Culture, location.location.events, 2007 Sofia International Film Festival
Sofia University, common.topic.webpage, m.040rc0m
Bulgaria, location.country.second_level_divisions, Tsarevo municipality
m.0wfhx46, location.mailing_address.citytown, Sofia
Sofia Seminary, main campus, location.location.containedby, Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Georgi Bradistilov
North Atlantic Treaty Organization (NATO), organization.organization.founders, United Kingdom
Central Sofia Cemetery, people.place_of_interment.interred_here, Pancho Haralanov Vladigerov
2014 Sofia Middle East & North Africa Region Film Festival, common.topic.notable_types, Film festival event
American College of Sofia, common.topic.article, m.0cw678
Sofia University, common.topic.article, m.09hx3q
Sofia, location.statistical_region.population, g.1jmcbf8r2
m.0znlp36, location.mailing_address.citytown, Sofia
Serdika Center Sofia, common.topic.notable_for, g.1yl5nn0jp
Bulgaria, location.country.administrative_divisions, Sofia Province
Sofia, location.location.contains, University of National and World Economy
Siege of Sofia, military.military_conflict.combatants, m.0h4107k
Sofia, location.location.contains, Georgi Asparuhov Stadium
Sofia Seminary, main campus, location.location.containedby, Bulgaria
Sofia, location.location.events, Battle of Çamurlu
Sofia, location.location.events, SEO конференция 2013
National Academy of Music, location.location.containedby, Sofia
Sofia, location.location.containedby, Bulgaria
Sofia Airport, aviation.airport.hub_for, Bulgarian Air Charter
Gabra, Sofia Province, common.topic.notable_for, g.125b_1lhf
Sofia University, organization.organization.leadership, m.0h6jr7d
Sofia Zoo, location.location.containedby, Sofia
Sofia Zoo, common.topic.image, The eastern entrance
m.0wfhx46, location.mailing_address.state_province_region, Sofia Province
North Atlantic Treaty Organization (NATO), organization.organization.founders, Iceland
2010 FILMINI International Short Film Festival, time.event.locations, Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Mihail Savov
Serdika Center Sofia, freebase.valuenotation.has_value, Architect
Sofia, location.location.contains, Arena Armeec
1950 Men's European Volleyball Championship, time.event.locations, Sofia
Bulgaria, location.location.containedby, Europe
Serdika Center Sofia, business.shopping_center.address, m.0znlp36
Bulgaria Boulevard, location.location.containedby, Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Vasil Zlatarski
2009 FILMINI International Short Film Festival, time.event.locations, Sofia
Sofia, location.location.contains, University of Architecture, Civil Engineering and Geodesy
Netherlands, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
Sofia, location.location.events, DevReach 2011
National Assembly Square in central Sofia, common.image.size, m.02cd758
Siege of Sofia, time.event.included_in_event, Bulgarian–Ottoman wars
North Atlantic Treaty Organization (NATO), military.military_combatant.belongs_to_combatant_group, Bulgaria
North Atlantic Treaty Organization (NATO), organization.organization.founders, Netherlands
Sofia Airport, aviation.airport.hub_for, Wizz Air Bulgaria
Sofia Airport, common.topic.image, Sofia Airport
Sofia, common.topic.article, m.0ftk6
Bulgaria, location.country.first_level_divisions, Kardzhali Province
National Assembly Square in central Sofia, common.image.appears_in_topic_gallery, Sofia
Downtown Sofia Boby Dimitrov 1, common.image.size, m.0291t04
Central Sofia Cemetery, people.place_of_interment.interred_here, Triphon Silyanovski
2001 Women's European Volleyball Championship, time.event.locations, Sofia
Sofia, location.statistical_region.population, g.1jmcbdz87
Bulgaria, location.country.administrative_divisions, Pazardzhik Province
Yugozapaden Planning Region, location.location.contains, Sofia
Bulgaria, location.country.administrative_divisions, Kardzhali Province
Sofia, location.location.contains, Serdika Center Sofia
University of National and World Economy, organization.organization.geographic_scope, Bulgaria
University of Forestry, Sofia, organization.organization.leadership, m.0v98sq5
Bulgaria, organization.organization_scope.organizations_with_this_scope, University of National and World Economy
1950 Women's European Volleyball Championship, time.event.locations, Sofia
Sofia, location.location.contains, Park Hotel Moskva
North Atlantic Treaty Organization (NATO), organization.organization.founders, Belgium
Central Sofia Cemetery, people.place_of_interment.interred_here, Traycho Kostov
1981 Women's European Volleyball Championship, time.event.locations, Sofia
m.0h6jr7d, organization.leadership.organization, Sofia University
Sofia Airport, aviation.airport.hub_for, Balkan Bulgarian Airlines
Sofia, location.capital_of_administrative_division.capital_of, m.0qsds9z
Sofia, location.location.contains, Winter Sports Palace
National Academy of Arts, location.location.containedby, Sofia
m.0h6jrb5, location.mailing_address.country, Bulgaria
Sofia, location.location.contains, 1172
Siege of Sofia, base.culturalevent.event.entity_involved, Lala Şahin Pasha
North Atlantic Treaty Organization (NATO), organization.organization.headquarters, m.04300hm
Sofia, location.location.contains, g.1hc0g359f
Sofia University, location.location.containedby, Bulgaria
Central Sofia Cemetery, common.topic.article, m.04gjh6z
Sofia Province, location.location.containedby, Bulgaria
Sofia, location.location.contains, g.121g6sgy
National Archaeological Museum, common.topic.image, Sofia Archaeological museum
Sofia Airport, location.location.containedby, Bulgaria
Sofia, location.location.contains, Gabra, Sofia Province
Sofia, location.location.events, 2008 Chelopechene explosions
m.03ll22_, location.mailing_address.citytown, Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Kosta Tsipushev
Sofia, location.statistical_region.population, g.1jmcbhqnq
American College of Sofia, organization.organization.headquarters, m.03ll22_
Central Sofia Cemetery, people.place_of_interment.interred_here, Stefan Remenkov
Sofia Province, base.aareas.schema.administrative_area.administrative_area_type, Bulgarian oblast
Sofia University, location.location.geolocation, m.0jvfgsv
American College of Sofia, common.topic.image, OstranderHallACS
Serdika Center Sofia, business.shopping_center.address, g.11b7w7l3qh
Central Sofia Cemetery, people.place_of_interment.interred_here, Grigor Vachkov
Saint Sofia Church, Sofia, common.topic.notable_for, g.125gwr9lw
Arena Armeec, location.location.containedby, Sofia
Serdika Center Sofia, common.topic.notable_types, Shopping center
Sofia, location.location.contains, Imperial University of Philosophy and Theology
Italy, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
m.0h4107k, military.military_combatant_group.conflict, Siege of Sofia
Sofia, location.statistical_region.population, g.1jmcbfm1g
Bulgaria, military.military_combatant.belongs_to_combatant_group, North Atlantic Treaty Organization (NATO)
Siege of Sofia, common.topic.article, m.0h3s2w7
Sofia Airport, common.topic.notable_for, g.125c_38rq
Sofia, location.location.contains, g.1hhzg00cz
Sofia Province, location.administrative_division.first_level_division_of, Bulgaria
Sofia, location.citytown.postal_codes, 1000
Bulgaria, base.locations.countries.continent, Europe
Sofia, location.location.contains, Novi Iskar
CITUB Administrative Building, location.location.containedby, Sofia
m.0qsds9z, location.administrative_division_capital_relationship.administrative_division, Sofia Province
Parquet World, organization.organization.geographic_scope, Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Trayko Kitanchev
National Palace of Culture, location.location.events, 2011 Sofia International Film Festival
Central Sofia Cemetery, people.place_of_interment.interred_here, Viktor Paskov
Sofia, location.location.events, 2014 Sofia Middle East & North Africa Region Film Festival
Sofia Airport, common.topic.article, m.03ttz6
Bulgarian–Ottoman wars, time.event.includes_event, Siege of Sofia
The Sofia Echo, book.newspaper.circulation_areas, Sofia
Sofia, government.governmental_jurisdiction.governing_officials, m.0cj5pdm
Sofia, location.location.contains, Saint Sofia Church, Sofia
Sofia, location.location.containedby, Rumelia Eyalet
Central Sofia Cemetery, people.place_of_interment.interred_here, Dimitar Rizov
Sofia, location.location.contains, Sofia Zoo
Central Sofia Cemetery, people.place_of_interment.interred_here, Hristo Matov
National Palace of Culture, location.location.events, 2002 Sofia International Film Festival
Bulgaria, location.country.first_level_divisions, Gabrovo Province
Serdika Center Sofia, location.location.geolocation, m.0zn6z86
Sofia, location.location.contains, CITUB Administrative Building
Sofia, location.location.events, 1999 World Short Track Speed Skating Championships
Vasil Levski National Stadium, location.location.events, Sticky & Sweet Tour Sofia, Bulgaria Concert
m.03lzkch, common.webpage.topic, Sofia Airport
Sofia University, common.topic.notable_for, g.1256g47lz
Downtown Sofia Boby Dimitrov 1, common.image.appears_in_topic_gallery, Sofia
Bulgarian coup d'état of 1923, time.event.locations, Sofia
Belgium, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
Sofia, sports.sports_team_location.teams, Slava Sofia
Sofia, location.location.contains, g.120qdfzy
Siege of Sofia, common.topic.notable_for, g.1259twk0j
m.0svyvxq, education.education.institution, American College of Sofia
Battle of Çamurlu, time.event.locations, Sofia
Georgi Asparuhov Stadium, location.location.containedby, Sofia
Sofia, periodicals.newspaper_circulation_area.newspapers, Rabotnichesko Delo
Central Sofia Cemetery, people.place_of_interment.interred_here, Boris Sarafov
Sofia, location.location.contains, Yunak Stadium
Bulgaria, location.country.administrative_divisions, Ruse Province
North Atlantic Treaty Organization (NATO), military.military_combatant.includes_allies, Kingdom of Greece
Capital Fort, location.location.containedby, Sofia
Sofia, periodicals.newspaper_circulation_area.newspapers, Capital
Sofia, base.aareas.schema.administrative_area.administrative_area_type, Bulgarian oblast
Sofia, location.location.contains, Central Sofia Cemetery
Sofia, location.location.contains, Sofia University
m.045x5mp, common.webpage.topic, Sofia
StaySofia.net, organization.organization.place_founded, Sofia
Bulgaria, location.country.first_level_divisions, Pernik Province
National Palace of Culture, location.location.events, 2003 Sofia International Film Festival
National Palace of Culture, location.location.events, 2012 Sofia International Film Festival
m.0chbcvy, common.webpage.topic, Sofia Airport
Sofia, location.location.events, 2010 World Short Track Speed Skating Championships
Sofia, location.location.contains, g.1hb_d78x2
Sofia, location.location.contains, Stolichna municipality
Central Sofia Cemetery, people.place_of_interment.interred_here, Vesselina Breskovska
National Palace of Culture, location.location.events, 2004 Sofia International Film Festival
Portugal, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
2014 Sofia Middle East & North Africa Region Film Festival, film.film_festival_event.festival, Sofia Middle East & North Africa Region Film Festival
Hemus Hotel, location.location.containedby, Sofia
Sofia, location.statistical_region.population, g.11btt5q7hk
University of National and World Economy, organization.organization.place_founded, Sofia
Bulgaria, organization.organization_member.member_of, m.03wyt_4
Sofia Province, location.location.containedby, Yugozapaden Planning Region
Sofia University, education.university.international_tuition, m.0h6jrwc
North Atlantic Treaty Organization (NATO), organization.organization.founders, Luxembourg
Bulgaria, base.aareas.schema.administrative_area.administrative_children, Sofia
m.0cj5pr9, government.government_position_held.jurisdiction_of_office, Sofia
Sofia, government.governmental_jurisdiction.governing_officials, m.0cj5pr9
Sofia, location.location.contains, American College of Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Lyubomir Miletich
Sofia, location.location.events, 1950 Men's European Volleyball Championship
Sofia University, location.location.containedby, Sofia
Sofia Province, base.aareas.schema.administrative_area.administrative_parent, Bulgaria
Europe, base.locations.continents.countries_within, Bulgaria
Traycho Kostov, people.person.place_of_birth, Sofia
North Atlantic Treaty Organization (NATO), organization.organization.founders, Denmark
Sofia, location.location.events, 2014 International Animation Film Festival Golden Kuker - Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Bogdan Filov
Sofia, sports.sports_team_location.teams, PBC Lukoil Academic
Sofia, location.location.contains, Sofia Seminary, main campus
University of Forestry, Sofia, location.location.containedby, Sofia
Bulgaria, location.country.first_level_divisions, Yambol Province
m.0svshpw, education.education.institution, American College of Sofia
Bulgaria, location.country.administrative_divisions, Stara Zagora Province
m.0h6jrb5, location.mailing_address.citytown, Sofia
National Palace of Culture, location.location.events, 2010 Sofia International Film Festival
Bulgaria, location.country.first_level_divisions, Pazardzhik Province
m.0h7v698, location.mailing_address.citytown, Sofia
Siege of Sofia, common.topic.notable_types, Military Conflict
Bulgaria, location.country.administrative_divisions, Veliko Tarnovo Province
Sofia, location.location.events, 1981 Women's European Volleyball Championship
Bulgaria, location.country.administrative_divisions, Vratsa Province
Saint Sofia Church, Sofia, location.location.containedby, Sofia
1172, location.location.containedby, Sofia
Gabra, Sofia Province, location.location.geolocation, m.04z5yll
Sofia, location.location.contains, Bulgaria Boulevard
m.09j28zf, location.mailing_address.citytown, Sofia
m.04yz86h, location.mailing_address.citytown, Sofia
Siege of Sofia, time.event.locations, Sofia
National Archaeological Museum, location.location.containedby, Sofia
2014 Sofia Middle East & North Africa Region Film Festival, time.event.locations, Sofia
Sofia, base.aareas.schema.administrative_area.administrative_parent, Bulgaria
Central Sofia Cemetery, people.place_of_interment.interred_here, Andrey Lyapchev
Sofia, location.administrative_division.country, Bulgaria
Serdika Center Sofia, location.location.containedby, Sofia
North Atlantic Treaty Organization (NATO), organization.organization.founders, United States of America
Sofia, location.location.contains, National Archaeological Museum
Bulgaria, base.aareas.schema.administrative_area.administrative_children, Sofia Province
National Sports Academy \"Vasil Levski\", location.location.containedby, Sofia
Sofia, location.location.geolocation, m.0k2yds3
Sofia University, business.employer.employees, m.02kq2gf
m.0sw00g9, education.education.institution, American College of Sofia
Sofia, organization.organization_scope.organizations_with_this_scope, StaySofia.net
Bulgaria, location.country.administrative_divisions, Sofia
Novi Iskar, location.location.containedby, Sofia
m.0jwg1bn, location.mailing_address.citytown, Sofia
University of Forestry, Sofia, organization.organization.headquarters, m.0jsd9zj
m.03z967f, military.military_combatant_group.combatants, Bulgaria
Sofia, organization.organization_scope.organizations_with_this_scope, Parquet World
Yunak Stadium, location.location.containedby, Sofia
m.0jvh8zq, location.mailing_address.citytown, Sofia
Sofia, film.film_location.featured_in_films, Ninja
Sofia University, education.educational_institution.campuses, Sofia University
m.0jsd9zj, location.mailing_address.country, Bulgaria
Sofia, location.location.events, Siege of Sofia
Kempinski Hotel Zografski, location.location.containedby, Sofia
Gabra, Sofia Province, common.topic.article, m.03whpx0
Gabra, Sofia Province, location.location.time_zones, Eastern European Time Zone
Sofia, location.location.contains, Hotel Rodina
Sofia, location.location.contains, National Sports Academy \"Vasil Levski\"
Sofia, location.location.contains, Kempinski Hotel Zografski
Saint Sofia Church, Sofia, common.topic.article, m.0b3_84
Sofia, location.location.time_zones, Eastern European Time Zone
American College of Sofia, location.location.geolocation, m.0cqr_k6
Sofia, location.location.contains, National Palace of Culture
m.0hqfhqv, location.mailing_address.citytown, Sofia
Sofia, location.location.contains, Capital Fort
Sofia Airport, aviation.airport.serves, Sofia
Sofia Airport, common.topic.webpage, m.03lzkch
Sofia, location.location.events, 2011 International Animation Film Festival Golden Kuker - Sofia
Bulgaria, location.country.first_level_divisions, Ruse Province
Siege of Sofia, base.culturalevent.event.entity_involved, Second Bulgarian Empire
Sofia, location.location.contains, Hemus Hotel
Luxembourg, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
Sofia Airport, common.topic.webpage, m.0chbcvy
Bulgaria, location.country.administrative_divisions, Smolyan Province
Serdika Center Sofia, freebase.valuenotation.has_value, Architectural Style
Gabra, Sofia Province, location.location.containedby, Bulgaria
m.0jsh6kx, location.mailing_address.country, Bulgaria
Bulgaria, location.country.first_level_divisions, Vratsa Province
StaySofia.net, organization.organization.geographic_scope, Sofia
American College of Sofia, organization.organization.leadership, m.0hqdvl4
North Atlantic Treaty Organization (NATO), organization.organization.founders, Italy
National Palace of Culture, location.location.events, 2008 Sofia International Film Festival
University of Forestry, Sofia, common.topic.image, LTU - main building
Siege of Sofia, base.culturalevent.event.entity_involved, Yanuka
m.0v98sq5, organization.leadership.organization, University of Forestry, Sofia
m.0_80kvh, location.mailing_address.country, Bulgaria
m.0jsh6kx, location.mailing_address.citytown, Sofia
Sofia University, organization.organization.headquarters, m.0h6jrb5
Sofia, base.ontologies.ontology_instance.equivalent_instances, m.09kl_xg
National Palace of Culture, location.location.events, 2013 Sofia International Film Festival
Park Hotel Moskva, location.location.containedby, Sofia
Sofia, base.aareas.schema.administrative_area.administrative_parent, Bulgaria
Sofia, location.statistical_region.population, g.1jmcbfm1h
Sofia, location.location.events, 2001 Women's European Volleyball Championship
University of Forestry, Sofia, location.location.containedby, Bulgaria
m.0hqdvl4, organization.leadership.organization, American College of Sofia
Siege of Sofia, base.culturalevent.event.entity_involved, Ottoman Empire
m.0qsds9z, location.administrative_division_capital_relationship.capital, Sofia
Rumelia Eyalet, location.location.contains, Sofia
Sofia, base.biblioness.bibs_location.country, Bulgaria
Sofia, location.location.events, Bulgarian coup d'état of 1923
National Palace of Culture, location.location.events, 2006 Sofia International Film Festival
American College of Sofia, common.topic.webpage, m.03ll22v
Central Sofia Cemetery, location.location.containedby, Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Petko Staynov
Sofia Airport, common.topic.image, 100 3056
m.03wyt_4, organization.organization_membership.member, Bulgaria
Slava Sofia, sports.sports_team.location, Sofia
m.0j1d8sx, location.mailing_address.citytown, Sofia
North Atlantic Treaty Organization (NATO), organization.organization.founders, Norway
Sofia, common.topic.image, Downtown Sofia Boby Dimitrov 1
Winter Sports Palace, location.location.containedby, Sofia
Central Sofia Cemetery, people.place_of_interment.interred_here, Krste Misirkov
University of Architecture, Civil Engineering and Geodesy, location.location.containedby, Sofia
Sofia, common.topic.notable_types, City/Town/Village
Triphon Silyanovski, people.person.place_of_birth, Sofia
DevReach 2011, time.event.locations, Sofia
Ovcha Kupel Stadium, location.location.containedby, Sofia
m.0jsd9zj, location.mailing_address.citytown, Sofia
Bulgaria, base.aareas.schema.administrative_area.capital, Sofia
Sofia, location.statistical_region.population, g.1jmcbjxth
Bulgaria, location.country.capital, Sofia
Saint Sofia Church, Sofia, common.topic.image, The 6th century Church of St Sophia which gave the city its name
2014 Sofia Middle East & North Africa Region Film Festival, common.topic.notable_for, g.1s056py_j
Aleksandar Malinov, people.deceased_person.place_of_death, Sofia
2007 European Road Championships, time.event.locations, Sofia
Sofia, location.location.contains, g.120wkk5f
Bulgaria, location.country.first_level_divisions, Shumen Province
Bulgaria Boulevard, common.topic.image, Bulevard Bulgaria v Sofia
American College of Sofia, location.location.containedby, Sofia
Sofia, location.location.contains, Ovcha Kupel Stadium
Bulgaria, location.country.first_level_divisions, Sofia Province
Bulgaria, location.country.first_level_divisions, Smolyan Province
Bulgaria, location.country.first_level_divisions, Stara Zagora Province
Bulgaria, location.country.administrative_divisions, Yambol Province
Bulgaria, base.aareas.schema.administrative_area.administrative_area_type, Sovereign state
Sofia University, freebase.valuenotation.is_reviewed, Headquarters
Sofia, location.location.events, 2013 International Animation Film Festival Golden Kuker - Sofia
Sofia, location.location.contains, National Academy of Music
Sofia, location.location.containedby, Yugozapaden Planning Region
m.04fs088, common.webpage.topic, University of Forestry, Sofia
Sofia, location.location.events, 2009 FILMINI International Short Film Festival
m.0hqfhqv, location.mailing_address.country, Bulgaria
National Palace of Culture, location.location.events, 2009 Sofia International Film Festival
Sofia, location.location.events, 2010 FILMINI International Short Film Festival
Sofia, location.statistical_region.population, g.1jmcbg6ss
Sofia Province, location.administrative_division.country, Bulgaria
North Atlantic Treaty Organization (NATO), military.military_combatant.includes_allies, Bulgaria
Bulgaria Boulevard, transportation.road.major_cities, Sofia
Sofia, common.topic.image, The Alexander Nevsky Cathedral
Central Sofia Cemetery, people.place_of_interment.interred_here, Mihail Gerdzhikov
Sofia, location.statistical_region.population, g.11b81t_tqg
m.0h7vbq_, common.webpage.topic, The Sofia Echo
University of Forestry, Sofia, common.topic.image, UF main
m.09j3v7q, location.mailing_address.citytown, Sofia
Lokomotiv Stadium, location.location.containedby, Sofia
Viktor Paskov, people.person.place_of_birth, Sofia
SEO конференция 2013, time.event.locations, Sofia
National Palace of Culture, location.location.events, 2005 Sofia International Film Festival
Sofia, common.topic.webpage, m.03zbkpv
24 Chasa, book.newspaper.circulation_areas, Sofia
Sticky & Sweet Tour Sofia, Bulgaria Concert, time.event.locations, Vasil Levski National Stadium
Central Sofia Cemetery, common.topic.notable_for, g.1258m2llc
Sofia, location.location.contains, Vasil Levski National Stadium
Yugozapaden Planning Region, location.location.contains, Sofia Province
Sofia, location.location.events, 2012 International Animation Film Festival Golden Kuker - Sofia
m.03ll22_, location.mailing_address.state_province_region, Sofia Province
Sofia, common.topic.webpage, m.045x5mp
m.03zbkpv, common.webpage.topic, Sofia
m.0jwks6p, location.mailing_address.citytown, Sofia
Sofia, location.location.contains, National Academy of Arts
Serdika Center Sofia, freebase.valuenotation.has_value, Floors

Answer: Bulgaria