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

Context : ISO 3166-2:KN is the entry for Saint Kitts and Nevis 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:KN?
International Organization for Standardization

Context : Dou Wei has two daughters: one named Dou Jingtong (born January 3, 1997), born to his ex-wife, Chinese pop singer Faye Wong, and the other one born to his ex-wife, photographer Gao Yuan. 
Question : What is Dou Wei's spouse's name?
Faye Wong

Context : Hagenow Land station is a railway junction in Mecklenburg-Vorpommern, which was opened on 15 October 1846. 
Question : When was the opening of Hagenow Land station?

15 October 1846