what is the {end time} for {Southampton} has {country} as {Kingdom of England} ?
When did Southampton cease being a country of the Kingdom of England?
SELECT ?value WHERE { wd:Q79848 p:P17 ?s . ?s ps:P17 wd:Q179876 . ?s pq:P582 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q79848> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P17> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q179876> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

When did Southampton stop being a country of the Kingdom of England?