What is {population} of {Syracuse} that is {publisher} is {Istat} ?
On what date did the population of Syracuse get published in Istat?
when was the population of Syracuse published in Istat?
SELECT ?p WHERE { ?s property:population ?p . ?s property:publisher resource:Istat . resource:Syracuse property:population ?s }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q13670> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1082> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P123> <http://wikidata.dbpedia.org/resource/Q214195>
} 

SELECT ?obj WHERE { wd:Q13670 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P123 wd:Q214195 }