what is the {point in time} for {Burkina Faso} has {population} as {8.57982e+06} ?
At what time did Burkina Faso have a population of 8.57982+06?
When was the population of Burkina Faso 8.57982e+06?
SELECT ?k WHERE { FILTER ( CONTAINS ( ?c , '8.57982e+06' ) ) . ?m property:population ?c . ?m property:point_in_time ?k . resource:Burkina_Faso property:population ?m }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q965> .
?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> <8.57982e+06> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q965 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '8.57982e+06')) . ?s pq:P585 ?value}