query: SELECT ?item ?itemLabel ?count WHERE {
    {
      SELECT ?item (COUNT (?twitter_account) AS ?count) WHERE {
        ?item wdt:P2002 ?twitter_account .
      }
      GROUP BY ?item
    }
    FILTER (?count > 1)
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }