public static function getCountriesForContinent($continent)
    {
        /** @var RegionDataProvider $regionDataProvider */
        $regionDataProvider = StaticContainer::get('Piwik\Intl\Data\Provider\RegionDataProvider');

        $result = array();
        $continent = strtolower($continent);
        foreach ($regionDataProvider->getCountryList() as $countryCode => $continentCode) {
            if ($continent == $continentCode) {
                $result[] = $countryCode;
            }
        }
        return array('SQL'  => "'" . implode("', '", $result) . "', ?",
                     'bind' => '-'); // HACK: SegmentExpression requires a $bind, even if there's nothing to bind
    }