Generate a correct and concise answer for the question based on the words in the context.

[Q]: Context : ISO 3166-2:AT is the entry for Austria 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. 
Question : Who set the standards for ISO 3166-2:AT?
[A]: International Organization for Standardization


[Q]: Context : The Palazzo Chiericati is a Renaissance palace in Vicenza (northern Italy), designed by Andrea Palladio. 
Question : Who was Palazzo Chiericati designed by?
[A]: Andrea Palladio


[Q]: Context : Dan Zerfaß (born 1968) is a German classical organist, the cantor at the Worms Cathedral and academic teacher. 
Question : What kind of  occupation does Dan Zerfaß have?
[A]:
organist