What is the {stainless steel} with the {MAX(toughness)} whose {use} is {chemical industry}  ?
Name the strongest stainless steel currently used in the chemical industry.
What is the toughest stainless steel used in the chemical industry ?
SELECT ?n WHERE { ?n property:toughness ?t . ?n property:use resource:chemical_industry . ?n rdf:type ontology:stainless_steel }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q172587>.

?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/P5520>.
?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/P366> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q207652> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q172587 . ?ent wdt:P5520 ?obj . ?ent wdt:P366 wd:Q207652 } ORDER BY DESC(?obj)LIMIT 5 