What is {head of government} of {San Luis Province} that is {start time} is {2015-12-10} ?
On 12-10-2015, what time did San Luis Province's head of government start?
What was the start time of the head of government of San Luis Province on 12-10-2015?
SELECT ?g WHERE { ?k property:start_time ?v . ?k property:head_of_government ?g . resource:San_Luis_Province property:head_of_government ?k . FILTER ( CONTAINS ( YEAR ( ?v ) , '2015' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q44818> .
?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> ?obj .
?statement <http://www.wikidata.org/entity/P580> <2015-12-10>
} 

SELECT ?obj WHERE { wd:Q44818 p:P6 ?s . ?s ps:P6 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'2015')) }