query: #Macromolecules
  SELECT ?names (COUNT(*) as ?count)
  WHERE {
   ?item wdt:P1433 wd:Q2711584.
   ?item wdt:P2093 ?names.
   optional {
   ?item wdt:P50 ?author.
   }
   MINUS{?item wdt:P50 []}
  } GROUP BY ?names ORDER BY DESC (?count)