What is {population} of {Bío Bío Region} that is {point in time} is {1992-0-0} ?
In 1992, how large was the population in the Bio Bio Region?
What was the population of the Bio Bio Region in 1992?
SELECT ?l WHERE { resource:Biobío_Region property:population ?g . FILTER ( CONTAINS ( YEAR ( ?v ) , '1992' ) ) . ?g property:point_in_time ?v . ?g property:population ?l }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2170> .
?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> <1992-0-0>
} 

SELECT ?obj WHERE { wd:Q2170 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1992')) }