Question: Which public company has the most debt?
Paraphrase: Which public co. is in debt most?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q891723 . ?ent wdt:P2133 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Cisco Systems, Cisco Systems, Cisco Systems, Cisco Systems, Cisco Systems