Question: What is the body of water by the city where Jozef Piotrowski died?

full_context: Document 1: 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 2: 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 3: 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 4: 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 5: Warsaw: There are also many places commemorating the heroic history of Warsaw. Pawiak, an infamous German Gestapo prison now occupied by a Mausoleum of Memory of Martyrdom and the museum, is only the beginning of a walk in the traces of Heroic City. The Warsaw Citadel, an impressive 19th-century fortification built after the defeat of the November Uprising, was a place of martyr for the Poles. Another important monument, the statue of Little Insurgent located at the ramparts of the Old Town, commemorates the children who served as messengers and frontline troops in the Warsaw Uprising, while the impressive Warsaw Uprising Monument by Wincenty Kućma was erected in memory of the largest insurrection of World War II.
Document 6: Szlachta: The process of polonization took place over a lengthy period of time. At first only the highest members of the nobility were involved, although gradually a wider group of the population was affected. The major effects on the lesser Lithuanian nobility took place after various sanctions were imposed by the Russian Empire such as removing Lithuania from the names of the Gubernyas few years after the November Uprising. After the January Uprising the sanctions went further, and Russian officials announced that "Lithuanians are Russians seduced by Poles and Catholicism" and began to intensify russification, and to ban the printing of books in the Lithuanian language.
Document 7: Maurycy Mochnacki: Maurycy Mochnacki was born in a part of Poland annexed by Russian, where people were tired with everyday brutality, censorship, arrests and imprisonments. They dreamed of a free independent country and cultivated their own tradition, customs and the inner spiritual life. Mochnacki came from a patriotic and political active family. Mochnacki's father - lawyer, land-owner and participant of the Kościuszko Insurrecton in 1794, wanted to give his children the best education. At the beginning, Maurycy learned classical and contemporary literature, history and foreign languages at home. In 1815, the family moved to Lviv, where he took music classes and also played the piano and the violin. In 1819, the family settled down in the town of Czersk near Warsaw. First, Maurycy studied in a prestigious high school in Warsaw then, he started law studies at Warsaw University, but was expelled very soon for striking a policeman who requested him to extinguish his pipe. In a further blow to the family's reputation, he was sentenced to 14 days hard labour, working with criminal offenders in the Belvedere Park. At the end of 1823, he was arrested and imprisoned in the Carmelite Convent for belonging to a secret organization called ‘the Union of Free Polish Brothers’. To get the freedom, he had to write a memorial in which he accused the education system in the Congress Kingdom of early political education for young people and disastrous liberalism. Shortly after his release, he was forced to work at censorship office but lost the job after six months. Those episodes would have a profound influence on his future life.
Document 8: 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 9: 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 10: Oleg Bogayev: Oleg Bogayev was born in 1970 in the city of Sverdlovsk (now called Yekaterinburg) in Russia. He writes of growing up as the Cold War gave way to the emergence of Perestroika, a "change from the decay of the empire to the birth of a new society." He cites the social turmoil of recent decades as useful for artistic product: "[What] I know is that Russia is just the right place for a playwright - with shattering of fates, conflicts, crumbling of hopes, clashes of ideas - all that I've seen and experienced."
Document 11: 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 12: 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 13: 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 14: Yakov Perelman: Perelman was born in 1882 in the town of Białystok, Congress Poland. He obtained the Diploma in Forestry from the Imperial Forestry Institute (Now Saint-Petersburg State Forestry University) in Saint Petersburg, in 1909. He was influenced by Ernst Mach and probably the Russian Machist Alexander Bogdanov in his pedagogical approach to popularising science. After the success of "Physics for Entertainment", Perelman set out to produce other books, in which he showed himself to be an imaginative populariser of science. Especially popular were "Arithmetic for entertainment", "Mechanics for entertainment", "Geometry for Entertainment", "Astronomy for entertainment", "Lively Mathematics", " Physics Everywhere", and "Tricks and Amusements".
Document 15: Józef Piotrowski (enlightener): Józef Piotrowski was born in 1840 in Poland, which for that time was in Russian Empire. For the participation in January Uprising he was sentenced to exile to Siberia and later to Perm. In winter of 1863 he opened a bookshop, registering it in the name of his wife, Olga Platonovna Petrovskaya. The shop was situated at the crossing of Pokrovskay Street and Sibirskaya Street. The Petrovsky Shop won popularity among the inhabitants and promoted the development of education in Perm. It was also used for underground distribution of democratic literature, which influenced on the formation of revolutionary opinions among the youth. This is testified by the documents of Petrovsky family kept in Perm Krai Museum. A memorial table is installed on the building where was the bookshop situated.
ground_truth: Kama River
sub_queries: Józef Piotrowski >> place of death Answer: Perm
Which is the body of water by Perm ? Answer: Kama River