what is the {point in time} for {Martinique} has {population} as {380877} ?
Give me the  point in time for Martinique has population as 380877?
SELECT ?value WHERE { wd:Q17054 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x,'380877')) . ?s pq:P585 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q17054> .
?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> <380877> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

On what date will Martinique have population of 380877?