What is the {flammable liquid} with the {MAX(ionization energy)} whose {instance of} is {flammable gas}  ?
Name the combustable fluid with the most ionization work.
Which flammable liquid has the highest ionization energy ?
SELECT ?b WHERE { ?b rdf:type ontology:flammable_liquid . ?b property:ionization_energy ?j . ?b rdf:type ontology:Q21073026 }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5457310>.

?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/P2260>.
?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/Q21073026> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q5457310 . ?ent wdt:P2260 ?obj . ?ent wdt:P31 wd:Q21073026 } ORDER BY DESC(?obj)LIMIT 5 