what is the {point in time} for {Bochum} has {population} as {341935.0} ?
When did the population of Bochum reach 341,935?
When did Bochum have a population of 341,935?
SELECT ?j WHERE { ?l property:point_in_time ?j . ?l property:population ?r . resource:Bochum property:population ?l . FILTER ( ?r = 341935.0 ) }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2103> .
?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> <341935.0> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q2103 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '341935.0')) . ?s pq:P585 ?value}