What is {population} of {Cartagena} that is {determination method} is {register office} ?
Which is the number of population of Cartagena as estimated by the census office?
What is the population of Cartagena as estimated by the census office?
SELECT ?b WHERE { ?j property:determination_method resource:register_office . resource:Cartagena property:population ?j . ?j property:population ?b }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q162615> .
?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/P459> <http://wikidata.dbpedia.org/resource/Q745221>
} 

SELECT ?obj WHERE { wd:Q162615 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P459 wd:Q745221 }