What is the {service on internet by PWN} with the {MAX(number of records)} whose {instance of} is {service on internet by PWN}  ?
What PWN web benefit has the most prominent number of records?
What PWN internet service has the greatest number of records?
SELECT ?u WHERE { ?u rdf:type ontology:service_on_internet_by_PWN . ?u property:number_of_records ?x . ?u rdf:type ontology:service_on_internet_by_PWN }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q55387247>.

?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/P4876>.
?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/Q55387247> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q55387247 . ?ent wdt:P4876 ?obj . ?ent wdt:P31 wd:Q55387247 } ORDER BY DESC(?obj)LIMIT 5 
Great orthographic dictionary Słownik języka polskiego Słownik Języka Polskiego PWN online