what is the {language of work or name} for {β-lactose} has {pronunciation audio} as {Sv-laktos.ogg} ?
In which language is "B-Lactose" translated as "Sv-laktos.ogg"?
What language translates "B-Lactose" into "Sv-laktos.ogg"?
SELECT ?h WHERE { ?e property:pronunciation_audio ?c . resource:β-lactose property:pronunciation_audio ?e . ?e property:language_of_work_or_name ?h . FILTER ( CONTAINS ( ?c , 'Sv-laktos.ogg' ) ) }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q127900> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P443> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <Sv-laktos.ogg> .
?statement <http://www.wikidata.org/entity/P407> ?value. 
} 

SELECT ?value WHERE { wd:Q127900 p:P443 ?s . ?s ps:P443 ?x filter(contains(?x , 'Sv-laktos.ogg')) . ?s pq:P407 ?value}