query: #Find common strings for authors of scientific articles
  SELECT * WHERE {
    {
      SELECT ?authorstring (COUNT(?paper) AS ?count) (GROUP_CONCAT(?paper; SEPARATOR = " , ") AS ?items) WHERE { { ?paper wdt:P2093 ?authorstring . }}
      GROUP BY ?authorstring
    }
    FILTER(CONTAINS(LCASE(?authorstring), "george davey smith"))
  
  #   FILTER(?count > 10)
  }