Problem: In Montevideo, as throughout the Rio de Plata region, the most popular forms of music are tango, milonga and vals criollo. Many notable songs originated in Montevideo including "El Tango supremo", La Cumparsita", La Milonga", "La Punalada" and "Desde el Alma", composed by notable Montevideo musicians such as Gerardo Matos Rodriguez, Pintin Castellanos and Rosita Melo. Tango is deeply ingrained in the cultural life of the city and is the theme for many of the bars and restaurants in the city. Fun Fun' Bar, established in 1935, is one of the most important places for tango in Uruguay as is El Farolito, located in the old part of the city and Joventango, Cafe Las Musas, Garufa and Vieja Viola. The city is also home to the Montevideo Jazz Festival and has the Bancaria Jazz Club bar catering for jazz enthusiasts.
Tango, milonga and vals criollo are the most popular forms of music in what region?
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Answer: Rio de Plata region

Problem: In March 2010, Sony Corp has partnered with The Michael Jackson Company with a contract of more than $250 million, the largest deal in recorded music history.
In March 2100, who partnered with The Michael Jackson Company?
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Answer: unanswerable

Problem: Following Nazi Germany's defeat in World War II in 1945, East Prussia was partitioned between Poland and the Soviet Union according to the Potsdam Conference. Southern East Prussia was placed under Polish administration, while northern East Prussia was divided between the Soviet republics of Russia (the Kaliningrad Oblast) and Lithuania (the constituent counties of the Klaipeda Region). The city of Konigsberg was renamed Kaliningrad in 1946. The German population of the province largely evacuated during the war, but several hundreds of thousands died during the years 194446 and the remainder were subsequently expelled.
What was the city of Konigsberg renamed in to in 1946?
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Answer:
Kaliningrad