Question: The daily newspaper, laRegioneTicino is based in a city famous for its three castles that have been UNESCO World Heritage Sites since what year?

full_context: Document 1: Casinò di Campione: The Casinò di Campione is the largest employer in the municipality of Campione d'Italia, an Italian exclave within Switzerland's Canton of Ticino, on the shores of Lake Lugano. The casino was founded in 1917 as a site to gather information from foreign diplomats during the First World War. Today it is owned by the Italian government, and operated by the municipality. The income from the casino is sufficient for the operation of Campione without the imposition of taxes, or obtaining of other revenue. It is Europe’s largest casino.
Document 2: 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 3: Bolzano: Bolzano ( ; ] ,    or ] ; German: "Bozen" (formerly "Botzen"), ] ; Ladin: "Balsan" or "Bulsan"; Latin: "Bauzanum" ) is the capital city of the province of South Tyrol in northern Italy. With a population of 105,713 (2013), Bolzano is also by far the largest city in South Tyrol.
Document 4: LaRegione Ticino: The laRegioneTicino (English: "The Ticino Region") is a Swiss Italian-language daily newspaper, based in Bellinzona, Ticino with regional divisions in Locarno, Lugano and Chiasso. It was founded in 1992 from the merger of "Il Dovere" and "L'Eco di Locarno". The newspaper's editor-in-chief is Giacomo Salvioni.
Document 5: Bernina Express: The Bernina Express is a train connecting Chur (or Davos) in Switzerland to Poschiavo in Switzerland and Tirano in Italy by crossing the Swiss Engadin Alps. For most of its journey, the train also runs along the World Heritage Site known as the Rhaetian Railway in the Albula / Bernina Landscapes.
Document 6: Trinidad and Tobago Newsday: Trinidad and Tobago Newsday is a daily newspaper in Trinidad and Tobago. "Newsday" is the newest of the three daily papers after the "Trinidad and Tobago Guardian" and the "Trinidad and Tobago Express" respectively. The newspaper was founded in 1993 by Daniel Chookolingo), Therese Mills became the first editor-in-chief she was the former editor-in-chief of the "Guardian". "Newsday" bills itself as "The People's Newspaper".
Document 7: Generoso Vetta railway station: Generoso Vetta is the upper terminal railway station of the Monte Generoso railway, a rack railway that connects Capolago with the summit of Monte Generoso in the Swiss canton of Ticino. At 1,592 metres above sea level, it is the highest railway station in Ticino. The station is situated a short walk from the mountain summit, and only a few metres from the international border with the Italian region of Lombardy.
Document 8: Lombardy: Lombardy ( ; Italian: "Lombardia" ] ; Lombard: Lumbardia , ] , ] ) is one of the twenty administrative regions of Italy, in the northwest of the country, with an area of 23,844 square kilometres (9,206 sq mi). 10 million people, forming one-sixth of Italy's population, live in Lombardy and about a fifth of Italy's GDP is produced in the region, making it the most populous and richest region in the country and one of the richest regions in Europe. Milan, Lombardy's capital, is the second-largest city and the largest metropolitan area in Italy.
Document 9: 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 10: Ilanz: Ilanz (Romansh: Glion) is a former municipality in the district of Surselva in the Swiss canton of Graubünden. The former municipality Ilanz was congruent with the town Ilanz, which is known now as Ilanz/Glion, as of 1 January 2014. On 1 January 1978 the former municipality of Strada merged into the new municipality of Ilanz. On 1 January 2014 the municipality of Ilanz and the surrounding municipalities Castrisch, Ladir, Luven, Pitasch, Riein, Ruschein, Schnaus, Sevgein, Duvin, Pigniu, Rueun and Siat merged into the new municipality of "Ilanz/Glion."
Document 11: 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 12: Sette (magazine): Sette, also known as "Corriere della Sera Sette", is an Italian language news, political and lifestyle magazine based in Milan, Italy. The magazine is the weekly supplement of the daily newspaper "Corriere della Sera". It is the first colour supplement distributed with a daily paper in Italy.
Document 13: Castles of Bellinzona: The Castles of Bellinzona are a group of fortifications located around the town of Bellinzona, the capital of the Swiss canton of Ticino. Situated on the Alpine foothills, the group is composed of fortified walls and three castles named Castelgrande, Montebello and Sasso Corbaro. Castelgrande is located on a rocky peak overlooking the valley, with a series of walls that protect the old city and connect to Montebello. Sasso Corbaro, the highest of the three castles, is located on an isolated rocky promontory south-east of the other two. The Castles of Bellinzona with their defensive walls have been an UNESCO World Heritage Site since 2000.
Document 14: Bellinzona: Bellinzona (] ; French: "Bellinzone" ] , German: "Bellenz" ] , Romansh: "Blizuna" ] ) is the capital of the canton Ticino in Switzerland. The city is famous for its three castles (Castelgrande, Montebello, Sasso Corbaro) that have been UNESCO World Heritage Sites since 2000.
Document 15: AC Bellinzona: AC Bellinzona is a Swiss football club based in Bellinzona. It was founded in 1904, and won the Swiss Super League in 1948. After being folded in 2013 declaring bankruptcy, the team played the Ticino Group of 2.Liga, the sixth tier of the Swiss Football League System in 2014–15 season. After winning it, Bellinzona promoted to Group 4 of 2. Interregional Liga.
ground_truth: 2000