In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

[Q]: Context: being reinforced by the 188th Rifle Division. The corps fought in the capture of Left-bank Ukraine east of Kremenchuk, then crossed the Dnieper and captured a bridgehead northwest of Mishurin Rog during the Battle of the Dnieper. Link Information:  During its four-month duration, the eastern bank of the Dnieper was recovered from German forces Answer: German forces
[A]: Who did the reinforcements oppose in the Battle of the Dneiper?


[Q]: Context: by way of Czechoslovakia, ended up in the Soviet Union. Link Information: The area was long a part of the Austro-Hungarian Empire until the empire collapsed at the end of World War I. The new state was founded by Tomáš Garrigue Masaryk (1850–1937), who served as its first president from 14 November 1918 to 14 December 1935.  Answer: 1935
[A]: When was the country Ottwalt passed through on his way to the Soviet Union founded?


[Q]: Context: Filmed in technicolor format, the music video for "Nobody's Perfect" was shot at Nu Boyana Film studios in Sofia, Bulgaria, Link Information: Sofia hosts some 1.23 million residents within a territory of 492 km, a concentration of 17.5% of the country population within the 200th percentile of the countr Answer: 1.23 million
[A]:
How many people live in the city that Nu Boyana Film is located in?