query: SELECT DISTINCT ?item WHERE {
    ?item wdt:P106 wd:Q131524; wikibase:sitelinks 0 . # entrepreneurs without sitelink
    MINUS { ?item wdt:P214|wdt:P227|wdt:P3602|wdt:P166|wdt:P102|wdt:P570 [] } # exclude a few properties here in order to keep the list managable
    OPTIONAL { ?backlink ?any ?item }
  } GROUP BY ?item HAVING (COUNT(?backlink) = 0) ORDER BY DESC(xsd:integer(STRAFTER(STR(?item), 'entity/Q')))