instruction:
Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
question:
Context : The South Eastern and Chatham Railway (SECR) H Class is a class of 0-4-4T steam locomotive originally designed for suburban passenger work, designed by Harry Wainwright in 1904. 
Answer : 1904
answer:
What year was South Eastern and Chatham Railway commissioned?


question:
Context : Dušan Majdán (born 8 September 1987) is a male Slovakian racewalker. 
Answer : male
answer:
Is Dušan Majdán a male or female?


question:
Context : ISO 3166-2:NG is the entry for Nigeria 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. 
Answer : International Organization for Standardization
answer:

Who set the standards for ISO 3166-2:NG?