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

Q: Context : Wanda Jean Allen (August 17, 1959 -- January 11, 2001) was sentenced to death in 1989 for the murder of Gloria Jean Leathers, 29. 
Question : Which crime led to the conviction of Wanda Jean Allen?

A: murder
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Q: Context : John Ross Macduff (23 May 1818 - 30 April 1895) was a Scottish divine and a prolific author of religious essays. 
Question : Which is the date of death for John Ross Macduff?

A: 30 April 1895
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Q: Context : ISO 3166-2:VN is the entry for Vietnam 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:VN?

A:
International Organization for Standardization
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