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.
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Question: Context : ISO 3166-2:BJ is the entry for Benin 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

Answer: Who set the standards for ISO 3166-2:BJ?

Question: Context : London R. Ferebee (1849 -- AFT 1883) was an African Methodist Episcopal Zion Church preacher and author, who was born into slavery on August 18, 1849, in a place called Big Ditch, in Currituck County, North Carolina.
Answer : 1883

Answer: What date did London R. Ferebee die on?

Question: Context : Gomm had started in around 1962/1963 in Unit 4, formed by Ian Gomm on rhythm and lead guitar, vocals, Martin Davis on bass and Simon Behar on drums, who were all pupils at Ealing County School for Boys.
Answer : guitar

Answer:
Which musical instrument was played by Ian Gomm?