Question: Which river flows by the birthplace of Christoph Eichhorn?

full_context: Document 1: Thomas Ohrner: Thomas Ohrner was born on 3 June 1965 in Munich, Germany, the son of actress Evelin Bey-Ohrner and economic adviser Claus Peter Ohrner. He has two older siblings, a half-sister, actress , born in 1961, and a brother, Markus Ohrner, born in 1963. At the age of eight months, Ohrner began as a child model, appearing in print advertorial campaigns for baby carriages, margarine and detergent, and by the age of four, he was appearing in television commercials.
Document 2: Christoph Eichhorn: Christoph Eichhorn (born 8 September 1957, in Kassel, Germany) is a German television actor and director. He is the son of German actor Werner Eichhorn.
Document 3: Michael Kehlmann: Michael Kehlmann (21 September 1927 – 1 December 2005) was an Austrian television film director and theatre director, screenwriter and actor. He was the father of writer Daniel Kehlmann.
Document 4: Karl Friedrich Eichhorn: Eichhorn was born in Jena as the son of Johann Gottfried Eichhorn. He entered the University of Göttingen in 1797. In 1805 he obtained the professorship of law at Frankfurt (Oder), holding it till 1811, when he accepted the same chair at the new Friedrich Wilhelm University in Berlin. On the call to arms in 1813 he became a captain of horse, and received the Iron Cross at the end of the war.
Document 5: Kassel-Wilhelmshöhe station: Kassel-Wilhelmshöhe is a railway station in the city of Kassel, in the German state of Hesse. It is the city's most important railway station, as it is connected to the Hanover-Würzburg high-speed rail line, with InterCityExpress services calling at the station.
Document 6: Kurt Hoffmann: Kurt Hoffmann (12 November 1910 – 25 June 2001) was a German film director, the son of Carl Hoffmann. He directed 48 films between 1938 and 1971.
Document 7: Fuldabrück: Fuldabrück is a municipality in the district of Kassel, in Hesse, Germany. It is situated along the Fulda river, 8 kilometers south of Kassel. The municipality of Fuldabrück consists of the former independent villages Bergshausen, Dittershausen, Dennhausen and Dörnhagen.
Document 8: Klarenthal: Klarenthal is a borough of Wiesbaden, capital of the federal state of Hesse, Germany. The community, situated on the slopes of the Taunus Mountains, was planned by architect and urban planner Ernst May in the style of a commuter town in the early 1960s. It was built on free arable land between the railway line to Bad Schwalbach and Klarenthaler Straße, overlooking the city center of Wiesbaden proper. Klarenthal consists mainly of large multi-family homes and residential high-rise buildings, surrounded with lots of green space, as well as many townhouses. The ground-breaking ceremony was held on September 11, 1964 and the first residents moved in in late February 1966. Today, over 10,000 people live there.
Document 9: Kassel: Kassel (; spelled Cassel until 1928) is a city located on the Fulda River in northern Hesse, Germany. It is the administrative seat of the Regierungsbezirk Kassel and the district of the same name and had 200,507 inhabitants in December 2015. The former capital of the state of Hesse-Kassel has many palaces and parks, including the Bergpark Wilhelmshöhe, which is a UNESCO World Heritage Site. Kassel is also known for the "documenta" exhibitions of contemporary art. Kassel has a public university with 25,000 students (2018) and a multicultural population (39% of the citizens in 2017 had a migration background).
Document 10: Auestadion: Auestadion is a multi-use stadium in Kassel, Germany close to the Karlsaue park. It is used mostly for football matches and is the home stadium of KSV Hessen Kassel. The stadium is able to hold 18000 people. It was opened on 23 August 1953, and renovated between 1983-1993 and between 2006-2008.
Document 11: Thuringia: The German higher education system comprises two forms of academic institutions: universities and polytechnics (Fachhochschule). The University of Jena is the biggest amongst Thuringia's four universities and offers nearly every discipline. It was founded in 1558, and today has 21,000 students. The second-largest is the Technische Universität Ilmenau with 7,000 students, founded in 1894, which offers many technical disciplines such as engineering and mathematics. The University of Erfurt, founded in 1392, has 5,000 students today and an emphasis on humanities and teacher training. The Bauhaus University Weimar with 4,000 students is Thuringia's smallest university, specialising in creative subjects such as architecture and arts. It was founded in 1860 and came to prominence as Germany's leading art school during the inter-war period, the Bauhaus.
Document 12: Strasbourg: Strasbourg, well known as centre of humanism, has a long history of excellence in higher-education, at the crossroads of French and German intellectual traditions. Although Strasbourg had been annexed by the Kingdom of France in 1683, it still remained connected to the German-speaking intellectual world throughout the 18th century and the university attracted numerous students from the Holy Roman Empire, including Goethe, Metternich and Montgelas, who studied law in Strasbourg, among the most prominent. Nowadays, Strasbourg is known to offer among the best university courses in France, after Paris.
Document 13: Botanischer Garten Kassel: The Botanischer Garten Kassel, also known as the Botanischer Garten der Stadt Kassel, is a municipal botanical garden located in the Park Schönfeld at Bosestraße 15, Kassel, Hesse, Germany. It is open daily without charge.
Document 14: Eric Eichmann: Eric Eichmann (born May 7, 1965, in Margate, Florida) is a retired American soccer player. He played professionally in Germany and the United States and later served as an assistant coach with the Miami Fusion of Major League Soccer. He also earned twenty-nine caps and scored four goals, for the United States men's national soccer team.
Document 15: Julia Eichhorn: Julia Eichhorn (born July 11, 1983) is a German skeleton racer who has competed since 1999. Her best Skeleton World Cup finish was fifth at Königssee in February 2007.
ground_truth: Fulda
sub_queries: Christoph Eichhorn >> place of birth Answer: Kassel
Which is the body of water by Kassel ? Answer: Fulda