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 : ISO 3166-2:HK is the entry for Hong Kong 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:HK?
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Q: Context : Celluloid Man is a 2012 documentary film directed by Shivendra Singh Dungarpur that explores the life and work of legendary Indian archivist P. K. Nair, founder of the National Film Archive of India and guardian of Indian cinema. 
Answer : India

A: Which place is Celluloid Man in?
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Q: Context : William Walls (2 August 1819 -- 27 September 1893) was a Scottish lawyer, industrialist and Dean of Guild of Glasgow. 
Answer : 27 September 1893

A:
When did William Walls die?
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