what is the {point in time} for {Grozny} has {population} as {287410.0} ?
During which period Grozny's population 287410
When was Grozny's population 287410?
SELECT ?l WHERE { FILTER ( ?c = 287410.0 ) . ?r property:population ?c . resource:Grozny property:population ?r . ?r property:point_in_time ?l }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5196> .
?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> <287410.0> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q5196 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '287410.0')) . ?s pq:P585 ?value}