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:PN is the entry for the Pitcairn 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

A: Who set the standards for ISO 3166-2:PN?
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Q: Context : The Portrait of Bernhart von Reesen is a painting by German Renaissance master Albrecht Dürer, dating from 1521, now housed in the Gemäldegalerie Alte Meister of Dresden, Germany. 
Answer : Gemäldegalerie Alte Meister

A: What is the name of the place where Portrait of Bernhart von Reesen can be found?
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Q: Context : Sean Dunphy (30 November 1937 -- 17 May 2011) was an Irish singer who represented Ireland at the 1967 Eurovision Song Contest, achieving second place with ``If I Could Choose''. 
Answer : singer

A:
What was Sean Dunphy's occupation?
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