query: #title: Exoplanet name is not the name of the star
  # Complex constraint from [[Property talk:P397]]
  # Check the name of all [[d:Q44559|extrasolar planet <small>(Q44559)</small>]]
  SELECT * {
    {
    SELECT ?item ?itemLabel ?orbite ?orbiteLabel {
      ?item wdt:P31 wd:Q44559.
      ?item wdt:P397 ?orbite.
      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    }
  }
    FILTER (?itemLabel = ?orbiteLabel)
  }