What is the {cannon} with the {MAX(caliber)} whose {designed by} is {Schneider et Cie}  ?
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what is the
SELECT ?c WHERE { ?c rdf:type ontology:cannon . ?c property:caliber ?i . ?c property:designed_by resource:Schneider_et_Cie }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q81103>.

?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/P4403>.
?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/P287> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q7431877> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q81103 . ?ent wdt:P4403 ?obj . ?ent wdt:P287 wd:Q7431877 } ORDER BY DESC(?obj)LIMIT 5 
Canon de 105 L mle 1936 Schneider