What is {population} of {Central African Republic} that is {point in time} is {1987-0-0} ?
Which was the number of population in Central African Republic in 1987?
What was the population of the Central African Republic in 1987?
SELECT ?a WHERE { ?h property:population ?a . FILTER ( CONTAINS ( YEAR ( ?l ) , '1987' ) ) . resource:Central_African_Republic property:population ?h . ?h property:point_in_time ?l }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q929> .
?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> <1987-0-0>
} 

SELECT ?obj WHERE { wd:Q929 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1987')) }