What is {population} of {Spokane} that is {point in time} is {2007-0-0} ?
What was the population of Spokane at the beginning of 2007?
On 0-0-2007, what is the populaton of Spokane?
SELECT ?o WHERE { resource:Spokane property:population ?o . ?o property:population ?o . ?o property:point_in_time ?e . FILTER ( CONTAINS ( YEAR ( ?e ) , '2007' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q187805> .
?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> <2007-0-0>
} 

SELECT ?obj WHERE { wd:Q187805 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2007')) }