query: #title: Number of countries crossed greater than or equal to three
  # Complex constraint from [[Property talk:P1717]]
  # This query use a blacklist for 5 items.
  SELECT ?item (COUNT(DISTINCT ?country) as ?countryCount)
  WHERE { 
    ?item wdt:P1717 [].
    ?item wdt:P17 ?country .
    FILTER (?item NOT IN (wd:Q584, wd:Q1667, wd:Q37620, wd:Q41986, wd:Q635969)).
  } 
  GROUP BY ?item ?itemLabel
  HAVING (?countryCount > 2) 
  ORDER BY ?item