what is the {point in time} for {Nicaragua} has {population} as {3.87732e+06} ?
In what year was Nicaragua's population 3.87732 million?
When did Nicaragua count a population of 3.87732e+06 inhabitants?
SELECT ?c WHERE { resource:Nicaragua property:population ?f . FILTER ( ?p = 3.87732e+06 ) . ?f property:point_in_time ?c . ?f property:population ?p }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q811> .
?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> <3.87732e+06> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q811 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '3.87732e+06')) . ?s pq:P585 ?value}