Question: In which oblast was Konstantin Lerner born?

full_context: Document 1: Mexico City: The boroughs are composed by hundreds of colonias or neighborhoods, which have no jurisdictional autonomy or representation. The Historic Center is the oldest part of the city (along with some other, formerly separate colonial towns such as Coyoacán and San Ángel), some of the buildings dating back to the 16th century. Other well-known central neighborhoods include Condesa, known for its Art Deco architecture and its restaurant scene; Colonia Roma, a beaux arts neighborhood and artistic and culinary hot-spot, the Zona Rosa, formerly the center of nightlife and restaurants, now reborn as the center of the LGBT and Korean-Mexican communities; and Tepito and La Lagunilla, known for their local working-class foklore and large flea markets. Santa María la Ribera and San Rafael are the latest neighborhoods of magnificent Porfiriato architecture seeing the first signs of gentrification.
Document 2: Kostyantyn Gryshchenko: In 1975 Kostyantyn Gryshchenko graduated with honors from Moscow State Institute of International Relations with a specialty in international law. Besides his native Ukrainian and Russian languages he is fluent in English and French.
Document 3: Israel: Chess is a leading sport in Israel and is enjoyed by people of all ages. There are many Israeli grandmasters and Israeli chess players have won a number of youth world championships. Israel stages an annual international championship and hosted the World Team Chess Championship in 2005. The Ministry of Education and the World Chess Federation agreed upon a project of teaching chess within Israeli schools, and it has been introduced into the curriculum of some schools. The city of Beersheba has become a national chess center, with the game being taught in the city's kindergartens. Owing partly to Soviet immigration, it is home to the largest number of chess grandmasters of any city in the world. The Israeli chess team won the silver medal at the 2008 Chess Olympiad and the bronze, coming in third among 148 teams, at the 2010 Olympiad. Israeli grandmaster Boris Gelfand won the Chess World Cup in 2009 and the 2011 Candidates Tournament for the right to challenge the world champion. He only lost the World Chess Championship 2012 to reigning world champion Anand after a speed-chess tie breaker.[citation needed]
Document 4: Konstantin Lerner: Konstantin Zaivelevich Lerner (; 28 February 1950, Odessa, Ukraine, former USSR – 24 September 2011, Herzlia, Israel) was a Ukrainian chess grandmaster (GM). In 1978 and 1982, he was Ukrainian Champion.
Document 5: Serhiy Yakovych Shevchenko: Sergei Shevchenko is a former Soviet and Ukrainian striker, the champion of Ukraine with SC Tavriya Simferopol, and a Kazakh coach.
Document 6: Moldavanka: Moldavanka is a historical part of Odessa in the Odessa Oblast (province) of southern Ukraine, located jointly on Malinovskiy and Primorskiy city districts. Before 1820 a settlement just outside Odessa which later engulfed it. Until the 20th century the neighborhood was considered a low-income/high-crime part of the town and was famous for its workers' shacks.
Document 7: The Odessa Tales: The Odessa Tales (Russian: Одесские рассказы) is a collection of short stories by Isaac Babel, situated in Odessa in the last days of the Russian empire and the Russian Revolution. Published individually in magazines throughout 1923 and 1924 and collected into a book in 1931, they deal primarily with a group of Jewish thugs that live in the Moldavanka, a ghetto of Odessa. Their leader is Benya Krik, known as the King.
Document 8: Stefan Kindermann: Stefan Emanuel Sylvester Kindermann (born 28 December 1959 in Vienna, Austria) is an Austrian chess Grandmaster. He played in the 1998 FIDE World Chess Championship knockout matches, has represented Germany and Austria in eight Chess Olympiads, and is the author of several chess books.
Document 9: Hans Berliner: Hans Jack Berliner (January 27, 1929 – January 13, 2017) was a Professor of Computer Science at Carnegie Mellon University, and was the World Correspondence Chess Champion, from 1965–1968. He was a Grandmaster of Correspondence Chess. He directed the construction of the chess computer HiTech, and was also a published chess writer.
Document 10: Andrey Lukin: Since then his career failed to live up to the earlier promise, but he still became an International Master and won five Leningrad (Saint Petersburg) championships, which at the time were equal in strength to a national championship of an average European country, with many titled players taking part. He combined his chess playing with a nine to five job as an engineer.
Document 11: Odessa Oblast: Odessa Oblast (also known as Odesa Oblast; , "Odes’ka oblast’", , "Odesskaya oblast’") is an oblast (province) of southwestern Ukraine, located along the northern coast of the Black Sea. Its administrative center is the city of Odessa ().
Document 12: Yuri Leiderman: Yuri Leiderman (born in 1963, Odessa, Ukraine) is an artist and writer, one of the Moscow Conceptualists. He participated in apartment exhibitions in Moscow and Odessa since 1982. He graduated from the Moscow Institute of Chemical Technology named after D. Mendeleyev in 1987. He was one of the founding members of the "Medical Hermeneutics" group in 1987, leaving the group in 1990. He was awarded the Andrei Belyi literature prize in 2005. He was a member of the groups "Kapiton" and "Corbusier", 2008-2010. He was a participant in the 68th Venice International Film Festival. He resides and works in Berlin.
Document 13: Donetsk Oblast: Donetsk Oblast is located in southeastern Ukraine. The area of the oblast (26,517 km²), comprises about 4.4% of the total area of the country. The oblast borders the Dnipropetrovsk and Zaporizhia Oblasts on the southwest, the Kharkiv Oblast on the north, the Luhansk Oblast on the northeast, the Rostov Oblast in Russia on the east, and with the Sea of Azov on the south.
Document 14: Moldavian Soviet Socialist Republic: Moldavian Soviet Socialist Republic (shortly: Moldavian SSR, abbr.: MSSR; Romanian: Republica Sovietică Socialistă Moldovenească, in Cyrillic alphabet: Република Советикэ Сочиалистэ Молдовеняскэ; Russian: Молда́вская Сове́тская Социалисти́ческая Респу́блика Moldavskaya Sovetskaya Sotsialisticheskaya Respublika), also known to as Soviet Moldavia or Soviet Moldova, was one of the fifteen republics of the Soviet Union existed from 1940 to 1991. The republic was formed on 2 August 1940 from parts of Bessarabia, a region annexed from Romania on 28 June of that year, and parts of the MASSR, an autonomous republic within the Ukrainian SSR.
Document 15: Bukovina: A region of Moldavia during the Middle Ages, the territory of what became known as Bukovina was, from 1774 to 1918, an administrative division of the Habsburg Monarchy, the Austrian Empire, and Austria-Hungary. After World War I, Romania established its control over Bukovina. In 1940, the northern half of Bukovina was annexed by the Soviet Union in violation of the Molotov–Ribbentrop Pact, and currently is part of Ukraine.
ground_truth: Odessa Oblast
sub_queries: Konstantin Lerner >> place of birth Answer: Odessa
Odessa >> located in the administrative territorial entity Answer: Odessa Oblast