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 region is an administrative division of Poland and hosted euro 2012? 
Knowledge Triplets: UEFA Euro 2012 Final, common.topic.webpage, m.0k1mjn0
Lublin Voivodeship, location.administrative_division.first_level_division_of, Poland
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0615v
UEFA Euro 2012 Quarter-final II, base.tournaments.tournament_match.tournament, UEFA Euro 2012
Poland, base.aareas.schema.administrative_area.administrative_children, Masovian Voivodeship
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0616f
UEFA Euro 2012, time.event.locations, Donetsk
Opole Voivodeship, location.administrative_division.first_level_division_of, Poland
Cieszyn Silesia Euroregion, common.topic.notable_types, Region
Euroregion Baltic, location.location.partially_containedby, Poland
UEFA Euro 2012 Semi-finals, common.topic.notable_for, g.1256r4pxz
Poland, base.aareas.schema.administrative_area.administrative_children, Silesian Voivodeship
Lubusz Voivodeship, location.administrative_division.first_level_division_of, Poland
Poland, location.location.partially_contains, Euroregion Beskydy
Lublin Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
UEFA Euro 2012 Quarter-final II, soccer.football_match.held_at, PGE Arena Gdańsk
UEFA Euro 2012 Quarter-final I, time.event.locations, National Stadium, Warsaw
UEFA Euro 2012 Quarter-final IV, base.tournaments.tournament_match.tournament, UEFA Euro 2012
Poland, location.country.administrative_divisions, Konin County
Lviv, location.location.events, UEFA Euro 2012
UEFA Euro 2012, location.location.events, Poznań
UEFA Euro 2012 Semi-final I, soccer.football_match.held_at, Donbass Arena
Poland, location.country.administrative_divisions, Kuyavian-Pomeranian Voivodeship
Poland, base.aareas.schema.administrative_area.administrative_children, Podkarpackie Voivodeship
UEFA Euro 2012, time.event.locations, Warsaw
UEFA Euro 2012 group stage, base.tournaments.tournament_round.groups_or_fixtures_or_ties, UEFA Euro 2012 Group D
Podlaskie Voivodeship, location.administrative_division.country, Poland
Łódź Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
Warmian-Masurian Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012 Semi-final II, base.tournaments.tournament_match.tournament, UEFA Euro 2012
Poland, location.country.administrative_divisions, Lubusz Voivodeship
Gdańsk, location.location.events, UEFA Euro 2012
Euroregion Neisse-Nisa-Nysa, location.location.partially_containedby, Poland
UEFA Euro 2012, base.tournaments.tournament.matches, UEFA Euro 2012 Quarter-final I
UEFA Euro 2012 group stage, common.topic.notable_types, Event
Płock, location.administrative_division.country, Poland
Poland, base.aareas.schema.administrative_area.administrative_children, Pomeranian Voivodeship
Masovian Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Świętokrzyskie Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012, time.event.locations, Kiev
Silesian Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
UEFA Euro 2012, time.event.locations, Wrocław
UEFA Euro 2012 group stage, base.tournaments.tournament_stage.next_stage, UEFA Euro 2012 knockout phase
Euroregion Beskydy, location.location.partially_containedby, Poland
Warsaw, location.capital_of_administrative_division.capital_of, m.0qgq84d
Poland, location.location.partially_contains, Euroregion Nemunas
UEFA Euro 2012 group stage, common.topic.webpage, m.0k1mkd0
UEFA Euro 2012 knockout phase, time.event.includes_event, UEFA Euro 2012
Lublin Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012, time.event.locations, Gdańsk
Poland, location.country.administrative_divisions, Warmian-Masurian Voivodeship
Opole Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
UEFA Euro 2012 Final, common.topic.webpage, m.0k1mk7f
UEFA Euro 2012, base.tournaments.tournament.matches, UEFA Euro 2012 Quarter-final II
Poland, base.aareas.schema.administrative_area.administrative_children, Świętokrzyskie Voivodeship
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k0615m
Poland, base.aareas.schema.administrative_area.administrative_children, Lesser Poland Voivodeship
UEFA Euro 2012 Semi-finals, base.tournaments.tournament_round.tournament, UEFA Euro 2012
Polish province, base.aareas.schema.administrative_area_type.sovereignty, Poland
Central Europe, location.location.contains, Second Polish Republic
UEFA Euro 2012 Final, base.tournaments.tournament_match.round, UEFA Euro 2012 Final
Poland, location.location.partially_contains, Carpathian Euroregion
Poland, location.country.administrative_divisions, Warsaw
Poland, location.location.partially_contains, Euroregion Pradziad
Poland, location.country.administrative_divisions, Poznań
Lesser Poland Voivodeship, location.administrative_division.country, Poland
Lubusz Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
m.0b6rr48, common.webpage.topic, UEFA Euro 2012
Poland, base.aareas.schema.administrative_area.administrative_children, Łódź Voivodeship
UEFA Euro 2012 Qualifying, base.tournaments.tournament.stages, UEFA Euro 2012 qualifying group stage
UEFA Euro 2012 Final, common.topic.article, m.0hznjsz
Cieszyn Silesia Euroregion, location.location.partially_containedby, Poland
Poland, location.location.partially_contains, Euroregion Neisse-Nisa-Nysa
UEFA Euro 2012, base.tournaments.tournament.rounds, UEFA Euro 2012 Quarter-finals
UEFA Euro 2012 Quarter-finals, base.tournaments.tournament_round.previous_round, UEFA Euro 2012 group stage
UEFA Euro 2012, base.tournaments.tournament.stages, UEFA Euro 2012 group stage
Koszalin, location.administrative_division.country, Poland
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k06170
Lower Silesian Voivodeship, location.administrative_division.first_level_division_of, Poland
UEFA Euro 2012 Semi-final I, time.event.locations, Donbass Arena
PGE Arena Gdańsk, soccer.football_pitch.matches, UEFA Euro 2012 Quarter-final II
Masovian Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012 Quarter-final II, time.event.included_in_event, UEFA Euro 2012 Quarter-finals
Cieszyn Silesia Euroregion, location.location.partially_contained_by, m.0wg8rwy
UEFA Euro 2012 group stage, time.event.includes_event, UEFA Euro 2012
UEFA Euro 2012, base.tournaments.tournament.rounds, UEFA Euro 2012 Final
Poland, location.location.partially_contains, Euroregion Sesupe
UEFA Euro 2012, base.tournaments.tournament.matches, UEFA Euro 2012 Final
UEFA Euro 2012 group stage, base.tournaments.tournament_round.next_round, UEFA Euro 2012 Quarter-finals
West Pomeranian Voivodeship, location.administrative_division.first_level_division_of, Poland
Poland, location.location.partially_contains, Euroregion Dobrawa
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k06149
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0614y
PolishMinistry of Interior and Administration, government.government_agency.jurisdiction, Poland
UEFA Euro 2012 Final, time.event.locations, Olimpiyskiy National Sports Complex
Masovian Voivodeship, location.administrative_division.first_level_division_of, Poland
West Pomeranian Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012 group stage, base.tournaments.tournament_stage.system, Round-robin tournament
UEFA Euro 2012 Quarter-final III, time.event.locations, Donbass Arena
Greater Poland Voivodeship, location.administrative_division.capital, m.0qgq7c0
UEFA Euro 2012, time.event.locations, Lviv
Gniezno County, location.administrative_division.country, Poland
Poland, location.administrative_division.second_level_division_of, Poznań
Łódź Voivodeship, location.administrative_division.first_level_division_of, Poland
Poland, base.aareas.schema.administrative_area.administrative_children, Warmian-Masurian Voivodeship
UEFA Euro 2012 Qualifying, base.tournaments.tournament.qualification_for, UEFA Euro 2012
UEFA Euro 2012 Quarter-final II, common.topic.webpage, m.0k1mk06
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0616v
Poland, location.country.administrative_divisions, Łódź Voivodeship
UEFA Euro 2012 Semi-final II, soccer.football_match.held_at, National Stadium, Warsaw
Poland, location.country.administrative_divisions, Kraków
Poland, location.country.administrative_divisions, West Pomeranian Voivodeship
Pomeranian Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012 Quarter-finals, base.tournaments.tournament_round.stage, UEFA Euro 2012 knockout phase
Kuyavian-Pomeranian Voivodeship, location.administrative_division.first_level_division_of, Poland
Poland, location.statistical_region.gdp_nominal, g.124603d02
Poland, location.country.administrative_divisions, Płock
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k06170
UEFA Euro 2012 Quarter-finals, base.tournaments.tournament_round.defeated_competitors, m.0k0616m
UEFA Euro 2012 Final, base.tournaments.tournament_match.tournament, UEFA Euro 2012
UEFA Euro 2012 Quarter-final II, time.event.locations, PGE Arena Gdańsk
UEFA Euro 2012, time.event.locations, Warsaw
Winter Time in Europe, 2011-2012, time.event.locations, Poland
UEFA Euro 2012, base.tournaments.tournament.matches, UEFA Euro 2012 Semi-final I
Euroregion Pradziad, location.location.partially_containedby, Poland
2012 European Summer Time, time.event.locations, Poland
UEFA Euro 2012 Final, base.tournaments.tournament_round.tournament, UEFA Euro 2012
Euroregion Glacensis, location.location.partially_containedby, Poland
UEFA Euro 2012 Qualifying, base.tournaments.tournament.rounds, UEFA Euro 2012 qualifying group stage
m.0qgq84d, location.administrative_division_capital_relationship.capital, Warsaw
UEFA Euro 2012 Quarter-final I, base.tournaments.tournament_match.tournament, UEFA Euro 2012
Poznań, location.location.events, UEFA Euro 2012
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k0614j
Gniezno County, location.administrative_division.second_level_division_of, Poland
UEFA Euro 2012, freebase.valuenotation.is_reviewed, End date
Silesian Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012 Semi-final II, common.topic.notable_for, g.1257lxs10
Poland, location.location.partially_contains, Euroregion Silesia
UEFA Euro 2012 Final, base.tournaments.tournament_match.competitors, m.0k0rmdz
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0615m
UEFA Euro 2012, common.topic.webpage, m.0b6rr48
Poland, location.administrative_division.second_level_division_of, Warsaw
UEFA Euro 2012 Qualifying, common.topic.notable_types, Event
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0614j
UEFA Euro 2012 group stage, base.tournaments.tournament_round.groups_or_fixtures_or_ties, UEFA Euro 2012 Group B
Silesian Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Polish province, base.aareas.schema.administrative_area_type.subdivides_place, Poland
Silesian Voivodeship, location.administrative_division.first_level_division_of, Poland
Polish province, base.aareas.schema.administrative_area_type.iso_country, Poland
UEFA Euro 2012, sports.sports_championship_event.champion, Spain national football team
Poland, location.country.administrative_divisions, Opole Voivodeship
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k06142
Poland, location.country.administrative_divisions, Lesser Poland Voivodeship
Podlaskie Voivodeship, location.administrative_division.first_level_division_of, Poland
Podkarpackie Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012 Quarter-final III, common.topic.notable_for, g.125g1zff2
Podkarpackie Voivodeship, location.administrative_division.first_level_division_of, Poland
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k06177
UEFA Euro 2012 knockout phase, base.tournaments.tournament_stage.tournament, UEFA Euro 2012
Greater Poland Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
Poland, base.aareas.schema.administrative_area.administrative_children, Lubusz Voivodeship
Greater Poland Voivodeship, location.administrative_division.first_level_division_of, Poland
Euroregion Sesupe, location.location.partially_containedby, Poland
Donetsk, location.location.events, UEFA Euro 2012
Kraków, location.administrative_division.second_level_division_of, Poland
UEFA Euro 2012, base.tournaments.tournament.qualification_tournaments, UEFA Euro 2012 Qualifying
Poland, location.country.administrative_divisions, Gniezno County
Poland, location.country.administrative_divisions, Podlaskie Voivodeship
Poznań, location.administrative_division.second_level_division_of, Poland
Kuyavian-Pomeranian Voivodeship, location.administrative_division.country, Poland
Poland, location.country.administrative_divisions, Pomeranian Voivodeship
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k0615c
Masovian Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
Poland, location.location.partially_contains, Euroregion Bug
Lublin Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Gmina Gietrzwałd, location.administrative_division.country, Poland
UEFA Euro 2012, base.tournaments.tournament.rounds, UEFA Euro 2012 group stage
Lubusz Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Poland, base.aareas.schema.administrative_area.subdividing_type, Polish province
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k0615v
Poland, base.aareas.schema.administrative_area.administrative_children, Lower Silesian Voivodeship
Poland, base.aareas.schema.administrative_area.pertinent_type, Polish city of county right
UEFA Euro 2012 Quarter-finals, common.topic.notable_for, g.1258d79hy
UEFA Euro 2012, base.tournaments.tournament.rounds, UEFA Euro 2012 Semi-finals
UEFA Euro 2012 Qualifying, common.topic.notable_for, g.125bn848p
Lesser Poland Voivodeship, common.topic.notable_types, Administrative Division
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k06154
Poland, location.country.administrative_divisions, Gmina Gietrzwałd
Greater Poland Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012, freebase.valuenotation.is_reviewed, Start date
Polish province, base.aareas.schema.administrative_area_type.subdividing_type, Polish city of county right
Lesser Poland Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Białystok, location.administrative_division.country, Poland
Kharkiv, location.location.events, UEFA Euro 2012
Lubusz Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012, common.topic.notable_for, g.1259jcycy
UEFA Euro 2012 Semi-finals, base.tournaments.tournament_round.stage, UEFA Euro 2012 knockout phase
Gdańsk, location.administrative_division.second_level_division_of, Poland
Central Europe, location.location.contains, Poland
Poland, location.statistical_region.foreign_direct_investment_net_inflows, g.11b71xnb72
Kraków, location.administrative_division.country, Poland
Euroregion Tatry, location.location.partially_containedby, Poland
Poland, location.location.partially_contains, Euroregion Baltic
Łódź Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012, common.topic.article, m.06t1s9
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k06167
UEFA Euro 2012 Quarter-final III, base.tournaments.tournament_match.tournament, UEFA Euro 2012
UEFA Euro 2012 group stage, base.tournaments.tournament_round.stage, UEFA Euro 2012 group stage
Poland, base.aareas.schema.administrative_area.administrative_children, Podlaskie Voivodeship
UEFA Euro 2012 group stage, common.topic.notable_for, g.125bp5ls5
Poland, base.aareas.schema.administrative_area.administrative_children, Opole Voivodeship
Poland, location.country.administrative_divisions, Silesian Voivodeship
Euroregion Puszcza Białowieska, location.location.partially_containedby, Poland
UEFA Euro 2012 Final, soccer.football_match.held_at, Olimpiyskiy National Sports Complex
Poland, location.location.partially_contains, Euroregion Tatry
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k06142
Poland, location.country.administrative_divisions, Grudziądz
Świętokrzyskie Voivodeship, location.administrative_division.first_level_division_of, Poland
Płock, location.administrative_division.second_level_division_of, Poland
Euroregion Nemunas, location.location.partially_containedby, Poland
UEFA Euro 2012, common.topic.notable_types, Event
Lower Silesian Voivodeship, location.administrative_division.country, Poland
UEFA Euro 2012 Final, base.tournaments.tournament_round.stage, UEFA Euro 2012 knockout phase
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k06149
Pomeranian Voivodeship, location.administrative_division.first_level_division_of, Poland
Poland, location.country.first_level_divisions, Lower Silesian Voivodeship
Opole Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Poznań, location.administrative_division.country, Poland
Pomeranian Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
Poland, location.country.administrative_divisions, Świętokrzyskie Voivodeship
Poland, location.country.administrative_divisions, Koszalin
UEFA Euro 2012, time.event.locations, Poznań
Greater Poland Voivodeship, common.topic.notable_types, Administrative Division
UEFA Euro 2012 Quarter-final I, common.topic.notable_for, g.1259v0s2l
UEFA Euro 2012, time.event.instance_of_recurring_event, UEFA European Championship
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0616m
Poland, location.location.events, Winter Time in Europe, 2011-2012
UEFA Euro 2012 Quarter-finals, base.tournaments.tournament_round.tournament, UEFA Euro 2012
Poland, location.country.administrative_divisions, Białystok
UEFA Euro 2012 Quarter-final I, common.topic.webpage, m.0k1mjzz
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0614r
Opole Voivodeship, location.administrative_division.country, Poland
Lesser Poland Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
UEFA Euro 2012 group stage, base.tournaments.tournament_stage.rounds, UEFA Euro 2012 group stage
UEFA European Championship, time.recurring_event.instances, UEFA Euro 2012
UEFA Euro 2012 Semi-final I, base.tournaments.tournament_match.tournament, UEFA Euro 2012
Euroregion Silesia, common.topic.notable_types, Region
UEFA Euro 2012, base.tournaments.tournament.matches, UEFA Euro 2012 Semi-final II
UEFA Euro 2012 Quarter-final I, soccer.football_match.held_at, National Stadium, Warsaw
Lower Silesian Voivodeship, base.aareas.schema.administrative_area.administrative_area_type, Polish province
Winter Time in Europe, 2012-2013, time.event.locations, Poland
UEFA Euro 2012 Quarter-final II, common.topic.notable_for, g.12571_cq9
UEFA Euro 2012, base.tournaments.tournament.tournament_system_s, Single-elimination tournament
UEFA Euro 2012, time.event.included_in_event, UEFA Euro 2012 knockout phase
Polish province, base.aareas.schema.administrative_area_type.pertains_to, Poland
UEFA Euro 2012 Quarter-final IV, common.topic.webpage, m.0k1mk2_
Poland, location.location.partially_contains, Euroregion Glacensis
UEFA Euro 2012 Qualifying, base.tournaments.tournament.rounds, UEFA Euro 2012 qualifying play-offs
UEFA Euro 2012 Final, common.topic.notable_for, g.1254xvjpv
m.0qgq7c0, location.administrative_division_capital_relationship.administrative_division, Greater Poland Voivodeship
UEFA Euro 2012, base.tournaments.tournament.stages, UEFA Euro 2012 knockout phase
UEFA Euro 2012 group stage, base.tournaments.tournament_round.defeated_competitors, m.0k0614y
Poland, base.aareas.schema.administrative_area.administrative_area_type, Sovereign state
Polish province, base.aareas.schema.administrative_area_type.subdividing_type, Polish county
Poland, base.aareas.schema.administrative_area.administrative_children, Lublin Voivodeship
Euroregion Silesia, location.location.partially_contained_by, m.0wg8rz0
Poland, location.location.events, 2012 European Summer Time
UEFA Euro 2012 group stage, base.tournaments.tournament_round.groups_or_fixtures_or_ties, UEFA Euro 2012 Group C
UEFA Euro 2012, common.topic.image, EK 2012
Konin County, location.administrative_division.second_level_division_of, Poland
UEFA Euro 2012 Qualifying, base.tournaments.tournament.stages, UEFA Euro 2012 qualifying play-offs
Koszalin, base.aareas.schema.administrative_area.administrative_area_type, Polish province
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k06161
Warmian-Masurian Voivodeship, location.administrative_division.first_level_division_of, Poland
UEFA Euro 2012 group stage, base.tournaments.tournament_stage.tournament, UEFA Euro 2012
Wrocław, location.location.events, UEFA Euro 2012
UEFA Euro 2012 Quarter-final IV, soccer.football_match.held_at, Olimpiyskiy National Sports Complex
Białystok, location.administrative_division.second_level_division_of, Poland
Poland, base.aareas.schema.administrative_area.administrative_children, Koszalin
Poland, location.country.administrative_divisions, Lower Silesian Voivodeship
Łódź Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Lower Silesian Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Grudziądz, location.administrative_division.second_level_division_of, Poland
Warsaw, location.administrative_division.country, Poland
UEFA Euro 2012 Qualifying, common.topic.article, m.047mdl_
UEFA Euro 2012 Final, sports.sports_championship_event.champion, Spain national football team
UEFA Euro 2012, base.tournaments.tournament.participating_competitors, m.0k0615c
UEFA Euro 2012 Final, base.tournaments.tournament_round.matches, UEFA Euro 2012 Final
Poland, location.location.events, Winter Time in Europe, 2012-2013
Poland, base.aareas.schema.administrative_area.pertinent_type, Polish province
UEFA Euro 2012, base.tournaments.tournament.matches, UEFA Euro 2012 Quarter-final IV
UEFA Euro 2012 Quarter-finals, common.topic.webpage, m.0k1mkbv
Grudziądz, location.administrative_division.country, Poland
Poland, base.aareas.schema.administrative_area.administrative_children, Kuyavian-Pomeranian Voivodeship
UEFA Euro 2012 Semi-final II, time.event.locations, National Stadium, Warsaw
Poland, location.country.administrative_divisions, Masovian Voivodeship
Poland, base.aareas.schema.administrative_area.administrative_children, Greater Poland Voivodeship
Euroregion Silesia, location.location.partially_containedby, Poland
UEFA Euro 2012 Quarter-final III, common.topic.webpage, m.0k1mk1c
Euroregion Bug, location.location.partially_containedby, Poland
Greater Poland Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Konin County, location.administrative_division.country, Poland
Kiev, location.location.events, UEFA Euro 2012
PGE Arena Gdańsk, location.location.events, UEFA Euro 2012 Quarter-final II
Lesser Poland Voivodeship, location.administrative_division.first_level_division_of, Poland
Wrocław, location.administrative_division.second_level_division_of, Poland
Koszalin, base.aareas.schema.administrative_area.administrative_parent, Poland
Euroregion Dobrawa, location.location.partially_containedby, Poland
Poland, location.country.first_level_divisions, Greater Poland Voivodeship
Koszalin, location.administrative_division.second_level_division_of, Poland
UEFA Euro 2012, time.event.included_in_event, UEFA Euro 2012 group stage
Carpathian Euroregion, location.location.partially_containedby, Poland
UEFA Euro 2012 group stage, base.tournaments.tournament_round.tournament, UEFA Euro 2012
UEFA Euro 2012, base.tournaments.tournament.matches, UEFA Euro 2012 Quarter-final III
Warsaw, location.administrative_division.second_level_division_of, Poland
Poland, location.country.administrative_divisions, Lublin Voivodeship
UEFA Euro 2012 Semi-final II, common.topic.webpage, m.0k1mjw5
UEFA Euro 2012, time.event.locations, Kharkiv
Poland, location.country.first_level_divisions, West Pomeranian Voivodeship
UEFA Euro 2012 Quarter-final IV, time.event.locations, Olimpiyskiy National Sports Complex
UEFA Euro 2012, freebase.valuenotation.is_reviewed, Location(s)
UEFA Euro 2012, base.tournaments.tournament.tournament_system_s, Round-robin tournament
Poland, base.aareas.schema.administrative_area.administrative_parent, Earth
Poland, location.location.partially_contains, Euroregion Puszcza Białowieska
Pomeranian Voivodeship, base.aareas.schema.administrative_area.administrative_parent, Poland
Poland, location.location.partially_contains, Cieszyn Silesia Euroregion
UEFA Euro 2012 Semi-final I, common.topic.notable_for, g.125cngwmh
UEFA Euro 2012 group stage, base.tournaments.tournament_round.groups_or_fixtures_or_ties, UEFA Euro 2012 Group A
Poland, location.country.administrative_divisions, Podkarpackie Voivodeship
Poland, location.country.administrative_divisions, Greater Poland Voivodeship

Answer: Poznań
Warsaw