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.

Context : ISO 3166-2:MW is the entry for Malawi 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
Who set the standards for ISO 3166-2:MW?

Context : Bataafse Petroleum Maatschappij (BPM), also known as Bataafsche Petroleum Maatschappij (English: Batavian Oil Company) was a subsidiary of the Royal Dutch Shell oil company established in 1907 which extracted and refined oil in the Netherlands East Indies. 
Answer : Royal Dutch Shell
What is Bataafse Petroleum Maatschappij's parent company?

Context : Tea with the Black Dragon is about Martha MacNamara, called west to San Francisco by a message from her daughter, Elizabeth, a computer programmer. 
Answer : San Francisco

Which place does Tea with the Black Dragon exist in?