What is {short-term exposure limit} of {toluene} that is {duration} is {15.0} ?
What is the exposure limit for 15.0 toluene?
What is the 15.0 toluene exposure limit?
SELECT ?m WHERE { FILTER ( CONTAINS ( ?k , '15.0' ) ) . ?p property:short-term_exposure_limit ?m . ?p property:duration ?k . resource:toluene property:short-term_exposure_limit ?p }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q15779> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2407> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P2047> <15.0>
} 

SELECT ?obj WHERE { wd:Q15779 p:P2407 ?s . ?s ps:P2407 ?obj . ?s pq:P2047 ?x filter(contains(?x , '15.0')) }