what is the {point in time} for {Weimar Republic} has {spoken text audio} as {De-Weimarer Republik-Teil-2-article.ogg} ?
When did the Weimar Republic release De-Weimarer Republik-Teil-2-article.ogg?
SELECT ?value WHERE { wd:Q41304 p:P989 ?s . ?s ps:P989 ?x filter(contains(?x,'De-Weimarer Republik-Teil-2-article.ogg')) . ?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/Q41304> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P989> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <De-Weimarer Republik-Teil-2-article.ogg> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

Weimar Republice released De-Weimarer Republik-Teil-2-article.ogg in which year?