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.

Input: Consider Input: Context : Thomas Colley (died 24 August 1751) was an English chimney sweep, executed for the murder of accused witch Ruth Osborne at Tring, Hertfordshire.
Answer : murder

Output: For what crime was Thomas Colley prosecuted?

Input: Consider Input: Context : ISO 3166-2:SS is the entry for South Sudan 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

Output: Who set the standards for ISO 3166-2:SS?

Input: Consider Input: Context : The Royal Albert Bridge is a railway bridge which spans the River Tamar in England between Plymouth, Devon and Saltash, Cornwall bank.
Answer : Tamar
Output: Over which river does Royal Albert Bridge cross?