query: SELECT ?cid ?entrez_id ?label ?article WHERE {
      ?cid wdt:P351 ?entrez_id .
    	?cid wdt:P703 wd:Q15978631 . 
      OPTIONAL { ?cid rdfs:label ?label filter (lang(?label) = "en") .}
      ?article schema:about ?cid .
      ?article schema:inLanguage "en" .
      FILTER REGEX(STR(?article), "Template", "i")
  }
  