Question: Which painting on canvas is the most thick?
Paraphrase: What is the type of quantum particle with the very best gyromagnetic ratio whose occasion of is isotope of neutronium ?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q3305213 . ?ent wdt:P2610 ?obj . ?ent wdt:P186 wd:Q4259259 } ORDER BY DESC(?obj)LIMIT 5