public static function findColumn (string $column, int $limit=0, string $order="DESC")
	{
		$order 		= static::validateOrder($order);
        $dbObject 	= Database::getInstance();
        $column 	= $dbObject->escapeValue($column);
		return static::limitFindBySql("SELECT {$column} FROM ".static::$tableName." ORDER BY id {$order}", $limit);
	}