What is {population} of {Copenhagen} that is {point in time} is {2017-1-1} ?
How many people lived in Copenhagen, Denmark on January 1, 2017?
Give me the population of Copenhagen on the first of January 2017?
SELECT ?f WHERE { ?b property:point_in_time ?r . resource:Copenhagen property:population ?b . FILTER ( CONTAINS ( YEAR ( ?r ) , '2017' ) ) . ?b property:population ?f }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1748> .
?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/P585> <2017-1-1>
} 

SELECT ?obj WHERE { wd:Q1748 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2017')) }