@prefix ps: <http://www.wikidata.org/prop/statement/> .
@prefix wds: <http://www.wikidata.org/entity/statement/> .
@prefix wikibase: <http://wikiba.se/ontology#> .

wds:Q561999-4987aeff-4ffc-e1cc-1407-c321e3b02b4e a wikibase:BestRank ;
    wikibase:rank wikibase:NormalRank ;
    ps:P373 "John D. Roberts" .