What is {population} of {Recife} that is {point in time} is {2000-8-1} ?
As of August 1, 2000, what was Recife's population?
On 2000-8-1, what was the population of Recife?
SELECT ?g WHERE { FILTER ( CONTAINS ( YEAR ( ?n ) , '2000' ) ) . ?w property:point_in_time ?n . resource:Recife property:population ?w . ?w property:population ?g }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q48344> .
?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> <2000-8-1>
} 

SELECT ?obj WHERE { wd:Q48344 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2000')) }