what is the {end time} for {Saxony-Anhalt} has {head of government} as {Reinhard Höppner} ?
During Which period Reinhard Hoppner was the head of Govt for Saxony-Anhalt?.
When was Reinhard Hoppner the head of government for Saxony-Anhalt?
SELECT ?c WHERE { ?h property:end_time ?c . ?h property:head_of_government resource:Reinhard_Höppner . resource:Saxony-Anhalt property:head_of_government ?h }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1206> .
?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/Q78414> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

SELECT ?value WHERE { wd:Q1206 p:P6 ?s . ?s ps:P6 wd:Q78414 . ?s pq:P582 ?value}