text: SELECT TOP(5)
  	CountryName,
  	MAX(p.Elevation) AS HighestPeakElevation,
  	MAX(r.Length) AS LongestRiverLength
  	FROM Countries AS c
  	LEFT JOIN MountainsCountries AS mc ON mc.CountryCode = c.CountryCode
  	LEFT JOIN Mountains AS m ON m.Id = mc.MountainId
  	LEFT JOIN Peaks AS p ON p.MountainId = m.Id
  	LEFT JOIN CountriesRivers AS cr ON cr.CountryCode = c.CountryCode
  	LEFT JOIN Rivers AS r ON r.Id = cr.RiverId
  	GROUP BY CountryName
  	ORDER BY HighestPeakElevation DESC, LongestRiverLength DESC, CountryName