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 : ISO 3166-2:AU is the entry for Australia 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:AU?

PROBLEM: Context : Percy Belgrave Lucas, CBE, DSO and Bar, DFC (2 September 1915 -- 20 March 1998), commonly known as Laddie Lucas, was a Royal Air Force officer, left-handed golfer, author and Member of Parliament (MP). 
Answer : Royal Air Force

SOLUTION: What branch was Laddie Lucas part of?

PROBLEM: Context : The GWR 4073 Class 5043 Earl of Mount Edgcumbe is a steam locomotive of the GWR 'Castle' Class, built in March 1936. 
Answer : March 1936

SOLUTION:
What year was the service entry date for GWR 4073 Class 5043 Earl of Mount Edgcumbe?