Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

[EX Q]: Context : The GER Class G69 was a class of twenty 2-4-2T steam locomotives built by for the Great Eastern Railway by S. D. Holden in 1911--12 following the design of two rebuilt examples of the GER Class M15 designed by James Holden, his father in 1904. 
Question : What was the year GER Class G69 entered service?
[EX A]: service entry

[EX Q]: Context : Pedro Albizu Campos was born in the Tenerías sector of Barrio Machuelo Abajo in Ponce, Puerto Rico to Juana Campos, a domestic worker of Spanish, African and Taíno ancestry, on 12 September 1891. 
Question : What was Pedro Albizu Campos's occupation?
[EX A]: occupation

[EX Q]: Context : Annamma Mathew (Malayalam: അന്നമ്മ മാത്യു, 22 March 1922 -- 10 July 2003), also known as Mrs. K. M. Mathew (Malayalam: മിസ്സിസ് കെ. എം. മാത്യു), was the founder chief editor of Vanitha, the largest selling women's magazine in India, and wife of K. M. Mathew, Chief Editor of Malayala Manorama. 
Question : What is Annamma Mathew's spouse's name?
[EX A]:
spouse