What is the {Irritant} with the {MAX(enthalpy of vaporization)} whose {safety classification and labelling} is {NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response}  ?
What is the irritant with the highest enthalpy of vaporization?
Name the irritant classified NFPA 704 with the highest enthalpy of vaporization ?
SELECT ?f WHERE { ?f property:enthalpy_of_vaporization ?a . ?f rdf:type ontology:Irritant . ?f property:safety_classification_and_labelling resource:NFPA_704:_Standard_System_for_the_Identification_of_the_Hazards_of_Materials_for_Emergency_Response }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q6073871>.

?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/P2116>.
?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/P4952> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q51139288> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q6073871 . ?ent wdt:P2116 ?obj . ?ent wdt:P4952 wd:Q51139288 } ORDER BY DESC(?obj)LIMIT 5 