query: SELECT DISTINCT ?item ?numero_episode ?date (GROUP_CONCAT(DISTINCT ?guestLabel; SEPARATOR = ", ") AS ?liste_invites) (URI(CONCAT("https://www.youtube.com/watch?v=", ?youtube)) AS ?lien_youtube)
  WHERE {
    ?item (wdt:P31/wdt:P279*) wd:Q1983062.
    ?item p:P179 ?statement.
    OPTIONAL { ?item wdt:P5030 ?guest. }
    ?item wdt:P577 ?date.
    ?statement ps:P179 wd:Q56816469.
    ?statement pq:P1545 ?numero_episode.
    OPTIONAL { ?item wdt:P1651 ?youtube. }
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "fr,en".
      ?guest rdfs:label ?guestLabel.
    }
  }
  GROUP BY ?item ?numero_episode ?date ?youtube
  ORDER BY DESC(xsd:integer(?numero_episode))