TASK DEFINITION: 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.
PROBLEM: Context : Ruth Harrison OBE (24 June 1920 -- 13 June 2000), was a British animal welfare activist and author. 
Answer : 13 June 2000

SOLUTION: What year did Ruth Harrison die?

PROBLEM: Context : ISO 3166-2:IO is the entry for the British Indian Ocean Territory 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

SOLUTION: Who set the standards for ISO 3166-2:IO?

PROBLEM: Context : Petronella Johanna Nelly de Rooij (30 July 1883 -- 10 June 1964) was a Dutch zoologist and herpetologist. 
Answer : 10 June 1964

SOLUTION:
On what date did Nelly de Rooij expire?