What is the {Class IIIA combustible liquid} with the {MIN(density)} whose {instance of} is {occupational carcinogen}  ?
Name the  Class IIIA combustible liquid with the lowest density whose instance of is occupational carcinogen?
What is the Class IIIA combustible liquid with the lowest density whose instance of is occupational carcinogen?
SELECT ?o WHERE { ?o rdf:type ontology:occupational_carcinogen . ?o rdf:type ontology:Class_IIIA_combustible_liquid . ?o property:density ?t }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q21009058>.

?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2054>.
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj1.

?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P31> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q21074597> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q21009058 . ?ent wdt:P2054 ?obj . ?ent wdt:P31 wd:Q21074597} ORDER BY ASC(?obj)LIMIT 5 
o-toluidine aniline formalin phenylhydrazine bis(2,3-epoxypropyl) ether