What is the {type of quantum particle} with the {MAX(mean lifetime)} whose {antiparticle} is {antineutron}  ?
Which antineutron antiparticle has the longest average lifespan?
Which antiparticle of the antineutron has the longest mean lifetime ?
SELECT ?f WHERE { ?f property:mean_lifetime ?l . ?f rdf:type ontology:type_of_quantum_particle . ?f property:antiparticle resource:antineutron }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q22675015>.

?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/P2645>.
?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/P2152> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q156530> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q22675015 . ?ent wdt:P2645 ?obj . ?ent wdt:P2152 wd:Q156530 } ORDER BY DESC(?obj)LIMIT 5 
neutron