what is the {end time} for {Lower Saxony} has {head of government} as {Christian Wulff} ?
Give the conclusion time for lower Saxony has head of government as Christian Wulff?
Give the end time for lower Saxony has head of government as Christian Wulff?
SELECT ?r WHERE { ?m property:head_of_government resource:Christian_Wulff . ?m property:end_time ?r . resource:Lower_Saxony property:head_of_government ?m }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1197> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P6> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q2540> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

SELECT ?value WHERE { wd:Q1197 p:P6 ?s . ?s ps:P6 wd:Q2540 . ?s pq:P582 ?value}