What is {short-term exposure limit} of {chloroform} that is {duration} is {60.0} ?
In a 60 minute time frame, what is chloroform's short-term exposure limit?
What is the short-term exposure limit of chloroform over a 60-minute period?
SELECT ?d WHERE { FILTER ( ?w = 60.0 ) . resource:chloroform property:short-term_exposure_limit ?v . ?v property:short-term_exposure_limit ?d . ?v property:duration ?w }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q172275> .
?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> <60.0>
} 

SELECT ?obj WHERE { wd:Q172275 p:P2407 ?s . ?s ps:P2407 ?obj . ?s pq:P2047 ?x filter(contains(?x , '60.0')) }