What is the {type of quantum particle} with the {MAX(isospin quantum number)} whose {subclass of} is {antinucleon}  ?
What is the highes isospin quantum number for an antinucleon particle?
Which antinucleon quantum particle has the highest isospin quantum number?
SELECT ?y WHERE { ?y rdf:type ontology:type_of_quantum_particle . ?y rdf:type ontology:antinucleon . ?y property:isospin_quantum_number ?x }
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/P1126>.
?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/P279> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q28855250> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q22675015 . ?ent wdt:P1126 ?obj . ?ent wdt:P279 wd:Q28855250 } ORDER BY DESC(?obj)LIMIT 5 
antiproton antineutron