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

Ex Input:
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?

Ex Output:
Faye Wong


Ex Input:
Context : Karl-Wilhelm von Schlieben (30 October 1894 -- 18 June 1964) was a German officer in World War I and World War II. 
Question : Which war did Karl-Wilhelm von Schlieben participate in?

Ex Output:
World War I


Ex Input:
Context : ISO 3166-2:GW is the entry for Guinea-Bissau 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:GW?

Ex Output:

International Organization for Standardization