What is the {business enterprise} with the {MAX(maximum gradient)} whose {instance of} is {business enterprise}  ?
What company has the top score for companies?
What is the business enterprise with the highest maximum gradient whose instance of is business enterprise?
SELECT ?s WHERE { ?s property:maximum_gradient ?w . ?s rdf:type ontology:business . ?s rdf:type ontology:business }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q4830453>.

?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/P2595>.
?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/Q4830453> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q4830453 . ?ent wdt:P2595 ?obj . ?ent wdt:P31 wd:Q4830453 } ORDER BY DESC(?obj)LIMIT 5 
Death Valley Railroad Waukesha Beach Railway Great Indian Peninsula Railway Voxna-Lobonäs järnväg Mississippi River and Bonne Terre Railway