Question: Rätia is a EuroCity train service that linked Hamburg in Germany with Chur, is the capital and largest town of the Swiss canton of Grisons and lies in the Grisonian Rhine Valley, and are in which country?

Related documents: [0]  [DOC] Rätia is a EuroCity train service that linked Hamburg in Germany with Chur in Switzerland via Dortmund, Cologne, Mannheim, Basel and Zurich, following the river Rhine for a significant part of its journey. The service is named after Rhaetia, the Roman province that the city of Chur was in. Over the years, the name "Rätia" has been given to a number EC services between Chur and various parts in Germany, although the current services - EC 6/7 - lost their name in 2004. Since 2015 the service's southern terminus was cut bach to Zurich. [END] 
[1]  [DOC] 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. [END]  
Answer: Switzerland
Switzerland