What is the {occupational carcinogen} with the {MAX(speed of sound)} ?
The fastest speed of sound belongs to which occupational carcinogen?
What is the occupational carcinogen with the fastest speed of sound?
SELECT ?o WHERE { ?o rdf:type ontology:occupational_carcinogen . ?o property:speed_of_sound ?l }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q21074597>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2075>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .}
ORDER BY DESC(?obj)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q21074597 . ?ent wdt:P2075 ?obj } ORDER BY DESC(?obj)LIMIT 5 
benzene chloroform carbon tetrachloride