Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : McTeague is a dentist of limited intellect from a poor miner's family, who has opened a dentist shop on Polk Street in San Francisco.
Question : Which place does McTeague exist in?

Answer: San Francisco

Question: Context : Marilyn Bevans was the first sub-three-hour, African-American female marathoner, and the first national-class black female American marathoner.
Question : What gender class does Marilyn Bevans belong to?

Answer: female

Question: Context : ISO 3166-2:BE is the entry for Belgium 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:BE?

Answer:
International Organization for Standardization