text: SELECT TOP 5 
             CountryName, 
  		   r.RiverName 
        FROM Countries AS c
  LEFT OUTER JOIN CountriesRivers AS cr
          ON cr.CountryCode = c.CountryCode
  LEFT OUTER JOIN Rivers AS r
          ON r.Id = cr.RiverId
       WHERE c.ContinentCode = 'AF'
    ORDER BY c.CountryName
  