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?
Sentence (from "Rätia (train)"): 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.
Relevant evidence: No