What is {population} of {Turks and Caicos Islands} that is {point in time} is {1985-0-0} ?
How many people lived in the Turks and Caicos Islands during 1985?
What is the population of Turks and Caicos Islands that started at 1985-0-0?
SELECT ?g WHERE { resource:Turks_and_Caicos_Islands property:population ?l . ?l property:point_in_time ?w . ?l property:population ?g . FILTER ( CONTAINS ( YEAR ( ?w ) , '1985' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q18221> .
?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> <1985-0-0>
} 

SELECT ?obj WHERE { wd:Q18221 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1985')) }