Question: What tributary of the Neman River forms the bank of Vilijampolė?

Context paragraphs:
FC Neman Grodno: FC Neman Grodno (Belarusian: ФК Нёман Гродна , "FK Nyoman Hrodna"; Russian: ФК Неман Гродно ) is a Belarusian football club from the city of Grodno, named after the Neman River and founded in 1964.  Since 1992 participates in the top league of Belarus.

Shchara River: The Shchara River (Belarusian: Шчара, Ščara , ] ; Russian: Щара ) is a river in Belarus, and is the left tributary of the Neman River.  It is 300 km in length, its catchment area being 6730 km2 .  The Shchara River is the 5th longest river in Belarus.

Bisenė: Bisenė or Bisena was a wooden fortress of the Grand Duchy of Lithuania during the Lithuanian Crusade.  It was one of the Lithuanian defensive outposts along the Neman River and was burned down by the Teutonic Order in 1283 and 1316.  Its location was long debated and often confused with Pieštvė, but after 1985 research of Romas Batūra it has been generally accepted to be Kartupėnai Hill Fort near the confluence of the Kartupis and Neman in Jurbarkas District Municipality, Lithuania.  After the burning down of Kolainiai in 1291 and Bisenė in 1316, Junigeda (Veliuona) became the western-most Lithuanian fortress along the Neman.

Vilijampolė: Vilijampolė (popularly known in Lithuania as "Slabotkė") is an elderate in the city of Kaunas, Lithuania, located on the right bank of the Neris River and the Nemunas River, near their confluence.  The elderate covers 1,720 hectares and houses about 32,000 people.

Viešnautas: The Viešnautas is a river of Kėdainiai district municipality, Kaunas County, central Lithuania.  It is a tributary of the Liaudė, which flows into the Nevėžis, a tributary of the Neman River.

Neris: The Neris ( , Belarusian: Ві́лія Viliya , Polish: Wilia ) is a river rising in Belarus.  It flows through Vilnius (Lithuania) and becomes a tributary of the Neman River (Nemunas) at Kaunas (Lithuania).  Its length is 510 km .

Current River (Ozarks): The Current River forms in the southeastern portion of the Ozarks of Missouri and becomes a 7th order stream as it flows southeasterly out of the Ozarks into northeastern Arkansas where it becomes a tributary of the Black River, which is a tributary of the White River, a tributary of the Mississippi River.  The Current River is approximately 184 mi long and drains about 2641 sqmi of land mostly in Missouri and a small portion of land in northeastern Arkansas.  The headwaters of the Current River are nearly 900 ft above sea level, while the mouth of the river lies around 280 ft above sea level.  The basin drains a rural area that is dominated by karst topography, underlain by dolomite and sandstone bedrock with a small area of igneous rock southeast of Eminence, Missouri.  The annual daily mean discharge of the river near Doniphan, Missouri is 2815 cuft per second.  In 1964, over 134 mi (160 km) of the upper course of the river and its tributaries were federally protected as the Ozark National Scenic Riverways, the first national park in America to protect a river system.

Rambynas: Rambynas is a hill on the right bank of the Neman River in Rambynas Regional Park, Pagėgiai Municipality, western Lithuania.  The current hill, about 46 m above sea level and about 40 m above the Neman, is a remnant of the larger hill that was destroyed by erosion.  The hill was known as sacred among locals and played a role in the ceremonies of pagan Lithuanians.  It is featured in many local legends and is protected by the state as a mythological object.  A large stone at the top of the hill, known as the altar stone, was destroyed by a miller in 1811.  Rambynas became popular with Prussian Lithuanians at the end of the 19th century who organized various events, most notably celebrations of the Saint Jonas' Festivals or Rasos (summer solstice), on the hill.  They rebuilt the altar in 1928.  The hill is popular with Lithuanian neo-pagans and hosts the annual celebrations of the summer solstice on 23 June.

Neman culture: Archaeologists use the name Neman culture to refer to two archaeological cultures (7th to 3rd millennium BC) which existed in the Mesolithic and continued into the middle Neolithic.  Neman culture represents a continuation of the Swiderian culture and was replaced by the Corded Ware culture.  It was located in the upper basin of the Neman River (present-day northern Poland, southern Lithuania, western Belarus and Kaliningrad Oblast).  In the north, the Neman culture bordered the Kunda culture during the Mesolithic and the Narva culture during the Neolithic.

Neman, Russia: Neman (Russian: Неман ), prior to 1946 known by its German name Ragnit (Lithuanian: "Ragainė" ; Polish: "Ragneta" ) is a town and the administrative center of Nemansky District in Kaliningrad Oblast, Russia, located in the historic East Prussia, on the steep southern bank of the Neman River, where it forms the Russian border with the Klaipėda Region in Lithuania, and 130 km northeast of Kaliningrad, the administrative center of the oblast.  Population:  (2010 Census) ;  (2002 Census) ;  (1989 Census)

Supporting paragraphs: Vilijampolė Neris
Answer: Neris