What is {country of citizenship} of {Tina Turner} that is {end time} is {2013-1-1} ?
Tina Turner was a citizen of what country as of 01/01/2013?
SELECT ?obj WHERE { wd:Q131814 p:P27 ?s . ?s ps:P27 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'2013')) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q131814> .
?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> <2013-1-1>
} 

What country was Tina Turner a citizen of on 01/01/2013?