what is the {start time} for {Republic of Dagestan} has {head of government} as {Vladimir Vasilyev} ?
The Rep. of Dagestan appointed Vladimir Vasilyev as head of government on what date?
When was Vladimir Vasilyev appointed as head of government in the Republic of Dagestan?
SELECT ?p WHERE { resource:Dagestan property:head_of_government ?a . ?a property:head_of_government resource:Vladimir_Vasilyev . ?a property:start_time ?p }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5118> .
?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/Q4104566> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q5118 p:P6 ?s . ?s ps:P6 wd:Q4104566 . ?s pq:P580 ?value}