What is {country of citizenship} of {Godfrey Hounsfield} that is {end time} is {1927-4-12} ?
Godfrey Hounsfield was citizen of what country on April 12th 1927?
What was the country of citizenship for Godfrey Hounsfield on April 12, 1927?
SELECT ?i WHERE { FILTER ( CONTAINS ( YEAR ( ?j ) , '1927' ) ) . resource:Godfrey_Hounsfield property:country_of_citizenship ?m . ?m property:end_time ?j . ?m property:country_of_citizenship ?i }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q273769> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P27> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P582> <1927-4-12>
} 

SELECT ?obj WHERE { wd:Q273769 p:P27 ?s . ?s ps:P27 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1927')) }