query: SELECT ?item ?itemLabel ?occupationLabel ?viaf ?lcn ?employerLabel ?edLabel
  WHERE
  {
    ?item wdt:P106 wd:Q56884373 . 
    OPTIONAL {?item wdt:P106 ?occupation .}
    OPTIONAL {?item wdt:P214 ?viaf}
    OPTIONAL {?item wdt:P244 ?lcn}
    OPTIONAL {?item wdt:P108 ?employer}
    OPTIONAL {?item wdt:P69 ?ed}
  
      SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  ORDER BY ?itemLabel