Question: Which is the body of water by the city where Chernyayevsky Forest is located?

full_context: Document 1: Molmys River: Molmys River () is a river in Perm Krai, Russia, a left tributary of the Yazva River. It is long, and the area of its drainage basin is . It starts on the southeastern slope of Mount Vogulsky Kamen, in the middle part of the Kvarkush mountain range. It flows through the southeastern portion of Krasnovishersky District, its mouth located upstream of the settlement Krasnyi Bereg. There are many rapids throughout the river, and the bottom is rocky.
Document 2: Moscow: Moscow is situated on the Moskva River in the Central Federal District of European Russia, making it Europe's most populated inland city. The city is well known for its architecture, particularly its historic buildings such as Saint Basil's Cathedral with its brightly coloured domes. With over 40 percent of its territory covered by greenery, it is one of the greenest capitals and major cities in Europe and the world, having the largest forest in an urban area within its borders -- more than any other major city -- even before its expansion in 2012. The city has served as the capital of a progression of states, from the medieval Grand Duchy of Moscow and the subsequent Tsardom of Russia to the Russian Empire to the Soviet Union and the contemporary Russian Federation.
Document 3: Tura River: The Tura River (), also known as Dolgaya River (Long River, ) is a historically important Siberian river which flows eastward from the central Ural Mountains into the Tobol River, a part of the Ob River basin. The main town on it is Tyumen.
Document 4: Warsaw: The flora of the city may be considered very rich in species. The species richness is mainly due to the location of Warsaw within the border region of several big floral regions comprising substantial proportions of close-to-wilderness areas (natural forests, wetlands along the Vistula) as well as arable land, meadows and forests. Bielany Forest, located within the borders of Warsaw, is the remaining part of the Masovian Primeval Forest. Bielany Forest nature reserve is connected with Kampinos Forest. It is home to rich fauna and flora. Within the forest there are three cycling and walking trails. Other big forest area is Kabaty Forest by the southern city border. Warsaw has also two botanic gardens: by the Łazienki park (a didactic-research unit of the University of Warsaw) as well as by the Park of Culture and Rest in Powsin (a unit of the Polish Academy of Science).
Document 5: Gornozavodsky District: Gornozavodsky District () is an administrative district (raion) of Perm Krai, Russia; one of the thirty-three in the krai. Municipally, it is incorporated as Gornozavodsky Municipal District. It is located on the western slopes of the Ural Mountains in the east of the krai. The area of the district is . Its administrative center is the town of Gornozavodsk. Population: The population of Gornozavodsk accounts for 46.3% of the district's total population.
Document 6: Khokhlovka: Khokhovka includes 23 unique monuments from the 17th – early 20th centuries. The territory is about 35 ha with many wooden constructions and buildings that were moved here from different places of the Perm Krai.
Document 7: Perm: Perm (;) is a city and the administrative centre of Perm Krai, Russia, located on the banks of the Kama River in the European part of Russia near the Ural Mountains.
Document 8: Krasnovishersky District: Krasnovishersky District () is an administrative district (raion) of Perm Krai, Russia; one of the thirty-three in the krai. Municipally, it is incorporated as Krasnovishersky Municipal District. It is located in the northeast of the krai, in the valley of the Vishera River, and borders with the Komi Republic in the north, Sverdlovsk Oblast in the east, Cherdynsky District in the west, Solikamsky District in the south, and with the territory of the town of krai significance of Alexandrovsk in the southeast. The area of the district is . Its administrative center is the town of Krasnovishersk. Population: The population of Krasnovishersk accounts for 71.4% of the district's total population.
Document 9: Sergei Toropov: January 19, 1982, a club "Permsky Krayeved" (, Perm Regional Ethnographer) was created in Perm. Toropov became its first chairman. Club sessions at different years took place at Regional Station of Young Tourists, in House of Teachers, in Perm Region State Archive. Since 1991 club meetings was conducted monthly in Regional Library.
Document 10: Leninsky City District, Perm: Leninsky City District () is one of the seven city districts of the city of Perm in Perm Krai, Russia. Population: It is the least populous city district of Perm.
Document 11: Geography of Russia: Truly alpine terrain appears in the southern mountain ranges. Between the Black and Caspian seas, the Caucasus Mountains rise to impressive heights, forming a boundary between Europe and Asia. One of the peaks, Mount Elbrus, is the highest point in Europe, at 5,642 meters. The geological structure of the Caucasus extends to the northwest as the Crimean and Carpathian Mountains and southeastward into Central Asia as the Tian Shan and Pamirs. The Caucasus Mountains create an imposing natural barrier between Russia and its neighbors to the southwest, Georgia and Azerbaijan.
Document 12: Ay River: Ay River (, ) is a river in Bashkortostan and Chelyabinsk Oblast in Russia, a left tributary of the Ufa River. The river is long, and its drainage basin covers . The Ay freezes up in late October or early November and remains icebound until mid-April. The cities of Zlatoust and Kusa are along the Ay River. Along the banks of the river, there are many steep cliff sides and caves. The current of the river has been used for hydroelectric power. It is also possible to fish for pike, bleak, and carp, to name a few species.
Document 13: Nikolai Chernykh: Chernykh was born in the Russian city of Usman in Voronezh Oblast, in present-day Lipetsk Oblast. He specialized in astrometry and the dynamics of small bodies in the Solar System and worked at the Crimean Astrophysical Observatory in the Ukrainian SSR from 1963.
Document 14: Chelyabinsk: Chelyabinsk () is a city and the administrative center of Chelyabinsk Oblast, Russia, located in the northeast of the oblast, south of Yekaterinburg, just to the east of the Ural Mountains, on the Miass River, on the border of Europe and Asia. Population:
Document 15: Chernyayevsky Forest: Chernyayevsky Forest () is a forest in the city of Perm, Russia, in Industrialny and Dzerzhinsky city districts. The total area of forest in 2003 was 689.9 ha. The forest is under direction of "Municipal Establishment "Perm City Forestry"".
ground_truth: Kama River
sub_queries: Chernyayevsky Forest >> located in the administrative territorial entity Answer: Perm
Which is the body of water by Perm ? Answer: Kama River