What is {population} of {Yokohama} that is {point in time} is {2018-4-1} ?
2018's Yokohama population was?
What's the population of Yokohama in 2018?
SELECT ?f WHERE { ?y property:population ?f . FILTER ( CONTAINS ( YEAR ( ?h ) , '2018' ) ) . resource:Yokohama property:population ?y . ?y property:point_in_time ?h }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q38283> .
?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> <2018-4-1>
} 

SELECT ?obj WHERE { wd:Q38283 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2018')) }