Information: - Kassel (spelled Cassel until 1928) is a city located on the Fulda River in northern Hesse, Germany. It is the administrative seat of the Regierungsbezirk Kassel and the Kreis of the same name and has 200,507 inhabitants in December 2015. The former capital of the state of Hesse-Kassel has many palaces and parks, including the Bergpark Wilhelmshohe, which is a UNESCO World Heritage Site. Kassel is also known for the "documenta" exhibitions of contemporary art. - Dusseldorf (Low Franconian, Ripuarian: "Dusseldorp" ) is the capital city of the German state of North Rhine-Westphalia and the seventh most populous city in Germany. Dusseldorf is an international business and financial centre, renowned for its fashion and trade fairs. The city is headquarters to one Fortune Global 500 and two DAX companies. Messe Dusseldorf organises nearly one fifth of premier trade shows. - Katharina Gierok ( born February 20 , 1992 in Krefeld , Germany ) is a German pair skater . With former partner Florian Just , she is the 2011 German national bronze medalist . She previously competed in single skating and is the 2006 -- 2007 German Junior national bronze medalist . - Stuttgart ( Swabian: "Schduagert"), often nicknamed the ""Schwabenmetropole"" in reference to its location in the center of Swabia and the local dialect spoken by some natives, is the capital and largest city of the German state of Baden-Wurttemberg. It is located on the Neckar river in a fertile valley locally known as the "Stuttgarter Kessel" an hour from the Swabian Jura and the Black Forest. Stuttgart's name comes from the Old High German word ""Stuogarten"," or "stud farm" a reference to the city's founding in 950 AD as a stud farm. Stuttgarts urban area has a population of 623,738, and a further making it the sixth largest city in Germany, 2.7million people live in the citys administrative region, and another 5.3million people in its metropolitan area, making it the fourth largest metropolitan area in Germany. - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency. - The International Skating Union (ISU) is the international governing body for competitive ice skating disciplines, including figure skating, synchronized skating, speed skating, and short track speed skating. It was founded in Scheveningen, Netherlands, in 1892, making it one of the oldest international sport federations. The ISU was formed to establish standardized international rules and regulations for the skating disciplines it governs, and to organize international competitions in these disciplines. It is now based in Lausanne, Switzerland. - Mari-Doris Vartmann (born 25 December 1988) is a German pair skater. With Ruben Blommaert, she won four ISU Challenger Series medals. With Aaron Van Cleave, she is the 2015 German national champion, the 2011 NRW Trophy champion, and 2010 Warsaw Cup champion. - The Rhine (, , ) is a European river that begins in the Swiss canton of Graubunden in the southeastern Swiss Alps, forms part of the Swiss-Austrian, Swiss-Liechtenstein, Swiss-German and then the Franco-German border, then flows through the Rhineland and eventually empties into the North Sea in the Netherlands. The largest city on the river Rhine is Cologne, Germany, with a population of more than 1,050,000 people. It is the second-longest river in Central and Western Europe (after the Danube), at about , with an average discharge of about . - The euro (sign: ; code: EUR) is the official currency of the eurozone, which consists of 19 of the member states of the European Union: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain. The currency is also officially used by the institutions of the European Union and four other European countries, as well as unilaterally by two others, and is consequently used daily by some 337million Europeans . Outside of Europe, a number of overseas territories of EU members also use the euro as their currency. - Hamburg (local pronunciation ; Low German/Low Saxon: "Hamborg" ), officially "Freie und Hansestadt Hamburg" (Free and Hanseatic City of Hamburg), is the second largest city in Germany and the eighth largest city in the European Union. It is the second smallest German state by area. Its population is over 1.7 million people, and the wider Hamburg Metropolitan Region covers more than 5.1 million inhabitants. The city is situated on the river Elbe. - Katharina Gierok (born 20 February 1992 in Krefeld, Germany) is a German pair skater. With former partner Florian Just, she is the 2011 German national bronze medalist. She previously competed in single skating and is the 20062007 German Junior national bronze medalist. - Single skating is a discipline of figure skating in which male and female skaters compete individually. Men's singles and ladies' singles are both Olympic disciplines and are both governed by the International Skating Union, along with the other Olympic figure skating events, pair skating and ice dancing. Single skaters perform jumps, spins, step sequences, spirals, and other moves in the field as part of their competitive programs. - A republic (from ) is a sovereign state, country, or government which is organized with a form of government in which power resides in elected individuals representing the citizen body and government leaders exercise power according to the rule of law. In modern times, the definition of a republic commonly refers to a government which excludes a monarch. Currently, 147 of the world's 206 sovereign states use the word "republic" as part of their official names; not all of these are republics in the sense of having elected governments, nor do all nations with elected governments use the word "republic" in their names. - Ice dancing is a discipline of figure skating that draws from ballroom dancing. It joined the World Figure Skating Championships in 1952, and became a Winter Olympic Games medal sport in 1976. - Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Dusseldorf. - Figure skating is a sport in which individuals, duos, or groups perform on figure skates on ice. It was the first winter sport included in the Olympics, in 1908. The four Olympic disciplines are men's singles, ladies' singles, pair skating, and ice dancing. Non-Olympic disciplines include synchronized skating and four skating. From novice through senior-level competition, skaters generally perform two programs (short and long) which, depending on the discipline, may include spins, jumps, moves in the field, lifts, throw jumps, death spirals, and other elements or moves. - Uerdingen is a district of the city of Krefeld, Germany, with a population of 18,507. - Frankfurt am Main is a metropolis and the largest city in the German state of Hesse and the fifth-largest city in Germany, with a 2015 population of 731,095 within its administrative boundaries, and 2.3million in its urban area. The city is at the centre of the larger Frankfurt Rhine-Main Metropolitan Region, which has a population of 5.8million and is Germany's second-largest metropolitan region after Rhine-Ruhr. Since the enlargement of the European Union in 2013, the geographic centre of the EU is about to the east of Frankfurt's CBD, the Bankenviertel. Frankfurt is culturally and ethnically diverse, with around half of the population, and a majority of young people, having a migration background. A quarter of the population are foreign nationals, including many expatriates. - Dortmund is an independent city in North Rhine-Westphalia, Germany. It is in the middle part of the state and is considered to be the administrative, commercial and cultural centre of the eastern Ruhr area. Its population of 581,612 (2015) makes it the 8th largest city in Germany. Moreover, Dortmund is the largest city by area and population in the Ruhr Area, an urban area with some 5.1 million (2011) inhabitants which is the largest urban agglomeration in Germany. - Krefeld, also known as Crefeld until 1929, is a city in North Rhine-Westphalia, Germany. It is located northwest of Dusseldorf, its centre lying just a few kilometres to the west of the River Rhine; the borough of Uerdingen is situated directly on the Rhine. Krefeld is accessed by the autobahns A57 (CologneNijmegen) and the A44 (AachenDusseldorfDortmundKassel). - Florian Just (born 28 February 1982 in Nurnberg) is a German former competitive pair skater. With Mari Vartmann, he won four senior international medals and finished seventh at two European Championships. He also won four international medals with Katharina Gierok. - Munich (also in British English ) is the capital and largest city of the German state of Bavaria, on the banks of River Isar north of the Bavarian Alps. Munich is the third largest city in Germany, after Berlin and Hamburg, and the 12th biggest city of the European Union, with a population of above 1.5million. The Munich Metropolitan Region is home to 5.8million people. - Aachen or Bad Aachen, traditionally known in English and French as Aix-la-Chapelle , is a spa and border city in North Rhine-Westphalia, Germany. Aachen was the preferred residence of Charlemagne, and, from 936 to 1531, the place where 31 Holy Roman Emperors were crowned Kings of the Germans. - Berlin is the capital and the largest city of Germany as well as one of its constituent 16 states. With a population of approximately 3.5 million people, Berlin is the second most populous city proper and the seventh most populous urban area in the European Union. Located in northeastern Germany on the banks of rivers Spree and Havel, it is the centre of the Berlin-Brandenburg Metropolitan Region, which has about 6 million residents from more than 180 nations. Due to its location in the European Plain, Berlin is influenced by a temperate seasonal climate. Around one-third of the city's area is composed of forests, parks, gardens, rivers and lakes. - North Rhine-Westphalia (, commonly shortened to NRW) is the most populous state of Germany, with a population of approximately 18 million, and the fourth largest by area. Its capital is Dusseldorf; the most populous city is Cologne. Four of Germany's ten largest citiesCologne, Dusseldorf, Dortmund, and Essenare located within the state, as well as the largest metropolitan area on the European continent, Rhine-Ruhr. Given the information above, choose from the list below the object entity that exhibits the relation 'date of birth' with the subject 'katharina gierok'. Choices: - 1 - 147 - 1531 - 18 - 1892 - 19 - 1908 - 1928 - 1929 - 1952 - 1976 - 1992 - 2 - 20 - 20 february 1992 - 2006 - 2007 - 2010 - 206 - 25 december 1988 - 28 - 28 february 1982 - 3 - 337 - 5 - 500 - 507 - 510 - 6 - 612 - 731 - 738 - 8 - 936 - 950
Answer:
20 february 1992