Question: In which oblast is the city where Izold Pustolnik was born?

full_context: Document 1: Embassy of Moldova, London: The Embassy of Moldova in London is the diplomatic mission of Moldova in the United Kingdom. It is far removed from other diplomatic missions in London, being situated in the West London suburb of Chiswick.
Document 2: Alexander Polovtsov: Polovtsov was the initiator of the creation of the Russian Historical Society (created in 1865). He was the Secretary of the society in 1866-1879 and the Chairman of the society from 1879 until his death in 1909. The society commissioned works of such historians as Sergey Solovyov, Nikolay Kostomarov, Vasily Klyuchevsky who set the foundation for the History of Russia. Under Polovtsov the society published 128 volumes of "Sborniks of Russian Historical Society". Polovtsov also prepared the 25 volumes of the Russian Biographical Dictionary that played an important role as the source of the biographical data on Russian people. To correctly establish the notability Polovtsov refused to include biographies of living people. Polovtsov (together with his father-in-law Alexander von Stieglitz founded the Stieglitz Museum of Applied Arts.
Document 3: 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 4: Boris Kolker: Dr. Kolker learned Esperanto in 1957 and is the author of articles on interlinguistics, book reviews and three famous Esperanto textbooks for students of different levels. Due to the great popularity of his book eo:Vojaĝo en Esperanto-lando (Travels in Esperanto-Land), which is both a proficiency course in Esperanto and a guidebook to Esperanto culture, he is known to many as a guide to Esperanto-Land.Kolker is a member of the Academy of Esperanto, an honorary member of the World Esperanto Association (Universala Esperanto Asocio), and an associate editor of the monthly magazine Monato. For two decades he headed a large-scale Esperanto correspondence course in Russia that graduated around 900 students. He also taught Esperanto at American universities in San Francisco and Hartford.
Document 5: 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 6: 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 7: 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 8: Estonian language: The birth of native Estonian literature was in 1810 to 1820 when the patriotic and philosophical poems by Kristjan Jaak Peterson were published. Peterson, who was the first student at the then German-language University of Dorpat to acknowledge his Estonian origin, is commonly regarded as a herald of Estonian national literature and considered the founder of modern Estonian poetry. His birthday on March 14 is celebrated in Estonia as the Mother Tongue Day. A fragment from Peterson's poem "Kuu" expresses the claim reestablishing the birthright of the Estonian language:
Document 9: 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.
Document 10: 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 11: 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 12: Izold Pustõlnik: Izold Pustõlnik (Изольд Бенционович Пустыльник, "Izold Bentsionovich Pustylnik"; 17 March 1938 in Odessa, Ukrainian SSR – 2 May 2008 in Tartu, Estonia) was an eminent Estonian astronomer who authored numerous scientific publications and served as editor of the "Central European Journal of Physics" and vice-chairman of the non-profit organization Euroscience Estonia.
Document 13: Miguel Itzigsohn: Itzigsohn was a professor of spherical and practical astronomy. From 1955 to 1972, he was director of the extrameridian astronomy department at the La Plata Astronomical Observatory, specializing in astrometry and celestial mechanics. He was responsible for the surge in observational and computational activity in studies of minor planets in Argentina following World War II.
Document 14: Oleg Polunin: Educated at Magdalen College, Oxford, Oleg Polunin taught at Charterhouse School in Godalming, Surrey, for over 30 years, later devoting his time to writing popular and authoritative guides to the flora of Europe and the Himalaya. His most well-known work is "Flowers of Europe" (1969), a classic text for both botanists and general readers. Polunin travelled widely in pursuit of samples and photographs, and he discovered several new species.
Document 15: International Studies in Philosophy: International Studies in Philosophy is a peer-reviewed academic journal, formerly published by the Center for Interdisciplinary Studies in Philosophy, Interpretation, and Culture, at Binghamton University. The journal began publishing under this title with volume 6 in 1974. Notable contributors included Joseph Agassi, Bruce Aune, Milton Fisk, Véronique Fóti, Rom Harré, Kathleen Higgins, François Lapointe, Alexander Nehemas, Kai Nielson, and Richard Schacht. The journal was established in 1969 by Augusto Guzzo and Giorgio Tonelli, and its first five volumes were published as "Studi Internazionali di Filosofia".
ground_truth: Odessa Oblast
sub_queries: In what city was Izold Pustõlnik born? Answer: Odessa
Odessa >> located in the administrative territorial entity Answer: Odessa Oblast