What is the {Class IC flammable liquid} with the {MAX(no-observed-adverse-effect level)} whose {instance of} is {Class IC flammable liquid}  ?
What is the IC Class flammable liquid with the least observed adverse effects?
What is the Class IC flammable liquid with the highest no-observed-adverse-effect level whose instance of is Class IC flammable liquid ?
SELECT ?o WHERE { ?o rdf:type ontology:Class_IC_flammable_liquid . ?o property:no-observed-adverse-effect_level ?l . ?o rdf:type ontology:Class_IC_flammable_liquid }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q21009056>.

?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/P2717>.
?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/Q21009056> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q21009056 . ?ent wdt:P2717 ?obj . ?ent wdt:P31 wd:Q21009056 } ORDER BY DESC(?obj)LIMIT 5 
chlorobenzene