Generate a correct and concise answer for the question based on the words in the context.

Context : Tuor remained in Gondolin, and wed Turgon's daughter, Idril Celebrindal. 
Question : What is Tuor's spouse's name?
Idril

Context : ISO 3166-2:AT is the entry for Austria in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Question : Who set the standards for ISO 3166-2:AT?
International Organization for Standardization

Context : DB Fernverkehr AG (German for ``DB Long-distance Traffic'') is a semi-independent division of Deutsche Bahn that operates long-distance passenger trains in Germany. 
Question : Which company is the parent company of DB Fernverkehr?

Deutsche Bahn

