TASK DEFINITION: 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.
PROBLEM: Context : IEEE C2 is the Institute of Electrical and Electronics Engineers standard for National Electrical Safety Code. 
Answer : Institute of Electrical and Electronics Engineers

SOLUTION: Who set the standards for IEEE C2?

PROBLEM: Context : ISO 3166-2:TC is the entry for the Turks and Caicos Islands 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

SOLUTION: Who set the standards for ISO 3166-2:TC?

PROBLEM: Context : The 156th (Scottish Rifles) Brigade was an infantry brigade formation of the British Army. 
Answer : British Army

SOLUTION:
With which military branch did 156th (Scottish Rifles) Brigade serve with?