What is {population} of {Jersey} that is {point in time} is {2001-0-0} ?
In 2001, what was the population of New Jersey?
What was the population of New Jersey in the year 2001?
SELECT ?e WHERE { ?a property:point_in_time ?v . FILTER ( CONTAINS ( YEAR ( ?v ) , '2001' ) ) . ?a property:population ?e . resource:Jersey property:population ?a }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q785> .
?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> <2001-0-0>
} 

SELECT ?obj WHERE { wd:Q785 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2001')) }