query: embed.html#SELECT (CONCAT("S",COALESCE(?s,"?")," ","E",COALESCE(?e,"?")) as ?SE) ?item ?original_title
  {
    ?item wdt:P31 wd:Q21191270 ; wdt:P4908 ?season ; wdt:P179 wd:Q2632294 .
    OPTIONAL { ?season p:P179 [ pq:P1545 ?s ] }
    OPTIONAL { ?item p:P4908 [ pq:P1545 ?e ] }
    OPTIONAL { ?item wdt:P1476 ?original_title . }
  }
  ORDER BY xsd:integer(?s) xsd:integer(?e)