Question: the 1989 Eurovision Song Contest took place in a city situated on the shores of which lake ?

full_context: Document 1: Albanais: The Albanais is a small Savoyard region situated between Lake Annecy and Lac du Bourget, at the entrance to the Parc naturel régional du Massif des Bauges. Located in the French departments of Savoie and Haute-Savoie, its principal city is Rumilly. The name "Albanais" comes from the Latin "Albinnum", which is derived from the names of the tribes "Albii" (or "Albani") whose presence is attested to in the toponymy of places such as Albens, Alby, and Albigny.
Document 2: FC Lausanne-Sport: FC Lausanne-Sport (also referred to as LS) is a Swiss football club based in Lausanne.
Document 3: Geneva Airport: Geneva Airport (IATA: GVA, ICAO: LSGG) , formerly and still unofficially known as "Cointrin Airport", is the international airport of Geneva, the second most populous city in Switzerland. It is located 4 km northwest of the city centre. It reached 15 million passengers for the first time in December 2014 and serves as a hub for Swiss International Air Lines, easyJet Switzerland and Etihad Regional. Geneva features a route network of flights mainly to European metropolitan and leisure destinations as well as some long-haul routes to North America, China and the Middle East, amongst them Swiss International Air Lines' only long-haul service (to New York City) outside of Zürich.
Document 4: Chur: Chur or Coire (] or ] ; Romansh: "Cuira" ] or ] ; Italian: "Coira" ] ; French: "Coire" ] ) is the capital and largest town of the Swiss canton of Grisons and lies in the Grisonian Rhine Valley, where the Rhine turns towards the north, in the northern part of the canton. The city, which is located on the right bank of the Rhine, is reputedly the oldest town of Switzerland.
Document 5: Belgium in the Eurovision Song Contest 1989: Belgium was represented by Ingeborg, with the song '"Door de wind", at the 1989 Eurovision Song Contest, which took place in Lausanne, Switzerland on 6 May. Ingeborg was the winner of the Belgian national final for the contest, held in Brussels on 18 March.
Document 6: Belgium in the Eurovision Song Contest 1972: Belgium was represented by Serge & Christine Ghisoland, with the song '"À la folie ou pas du tout", at the 1972 Eurovision Song Contest, which took place in Edinburgh on 25 March. "À la folie ou pas du tout" was the winner of the Belgian national final for the contest, held at the RTB studios in Brussels on 15 February. The Ghisolands had previously participated in the Belgian final in 1970.
Document 7: Eurovision Song Contest 1998: The Eurovision Song Contest 1998 was the 43rd annual Eurovision Song Contest. The contest took place in Birmingham in the United Kingdom, following Katrina and the Waves's win in the 1997 contest in Dublin with "Love Shine A Light". It was the UK's fifth win, and the eighth time that the UK hosted the contest, the last being in Harrogate in 1982. The UK has not won or hosted the contest since. The contest took place in the National Indoor Arena on 9 May 1998.
Document 8: Luxembourg in the Eurovision Song Contest 1976: Luxembourg was represented by well-known German singer Jürgen Marcus, with the song 'Chansons pour ceux qui s'aiment", at the 1976 Eurovision Song Contest, which took place on 3 April in The Hague. For the first time ever, broadcaster RTL organised a public national final rather than their usual method of internal selection. Marcus was the first German singer to represent Luxembourg, as their 1974 representative Ireen Sheer, although German-based, was British by birth.
Document 9: Davos: Davos (German pronunciation ] , rarely ] ,; Romansh: "" , archaic Italian: "Tavate") is a Alpine town, and a municipality in the Prättigau/Davos Region in the canton of Graubünden, Switzerland. It has a permanent population of (2016 ). Davos is located on the river Landwasser, in the Rhaetian Alps, between the Plessur and Albula Range. At 1560 m , it is the highest "town" in Europe.
Document 10: Eurovision Song Contest 2009: The Eurovision Song Contest 2009 was the 54th edition of the annual Eurovision Song Contest and was hosted by Russia after their win in 2008. It took place between 12 and 16 May 2009 at the Olympic Indoor Arena in Moscow, Russia.
Document 11: Schaffhausen: Schaffhausen (] ; Alemannic German: "Schafuuse" ; French: "Schaffhouse" ; Italian: "Sciaffusa" ; Romansh: "Schaffusa" ; English: Shaffhouse ) is a town with historic roots, a municipality in northern Switzerland, and the capital of the canton of the same name; it has an estimated population of 36,000 as of December 2016 . It is located right next to the shore of the High Rhine; it is one of four Swiss towns – besides Neuhausen a. Rhf., the historic Neunkirch and Stein a. Rh. – that is located on the northern side of the Rhine.
Document 12: Nyon: Nyon ] is a municipality in the district of Nyon in the canton of Vaud in Switzerland. It is located some 25 kilometers north east of Geneva's city centre, and since the 1970s it has become part of the Geneva metropolitan area. It lies on the shores of Lake Geneva and is the seat of the district of Nyon. The town has (as of December 2016 ) a population of . It is connected to the rest of Switzerland by way of the Route Suisse, the A1 Motorway and the railways of the "Arc Lémanique".
Document 13: Lausanne: Lausanne ( , ] , German: "Lausanne" , and also "Lausannen" Italian: "Losanna" , Romansh: "Losanna" ) is a city in the French-speaking part of Switzerland, and the capital and biggest city of the canton of Vaud. The city is situated on the shores of Lake Geneva (French: "Lac Léman" , or simply "Le Léman"). It faces the French town of Évian-les-Bains, with the Jura Mountains to its north-west. Lausanne is located 62 km northeast of Geneva.
Document 14: Eurovision Song Contest 1958: The Eurovision Song Contest 1958 was the third Eurovision Song Contest. The contest took place in Hilversum, Netherlands, following the country's win at the 1957 Contest, forming the convention that the winning country of the previous Eurovision Song Contest hosts the following year's contest. The event was held on Wednesday 12 March 1958 at AVRO Studios. The winner was France with the song "Dors, mon amour", performed by André Claveau, written by Pierre Delanoë and composed by Hubert Giraud.
Document 15: Ilse De Meulemeester: Ilse De Meulemeester (born Asse, May 19, 1971) is a Belgian actress, TV Host, model and beauty pageant titleholder who was Miss Belgium 1994. In the pageant she represented the province of Flemish Brabant. She was only the 2nd Miss Belgium to make it to the finals at the Miss World 1994 contest in South Africa. She obtained the 6th position. She was the first blond, first European in the Miss World contest in 1995.
ground_truth: Lake Geneva