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.

Q: Context : Essent is part of RWE AG. Essent has 2.3 million customers for electricity and about 2.0 million for gas. 
Answer : RWE

A: Which company is the parent company of Essent?
****
Q: Context : Sam Brittain (born May 10, 1992) is a Canadian ice hockey goaltender currently playing for the Portland Pirates of the American Hockey League (AHL) as a prospect within the Florida Panthers organization of the National Hockey League (NHL). 
Answer : Florida Panthers

A: What team did Sam Brittain play for?
****
Q: Context : ISO 3166-2:SS is the entry for South Sudan 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

A:
Who set the standards for ISO 3166-2:SS?
****