Question: What is the long name of the country with the description "Estimates are derived from data on foreign-born population." on the series code SM.POP.TOTL?
SQL: SELECT T1.LongName FROM Country AS T1 INNER JOIN CountryNotes AS T2 ON T1.CountryCode = T2.Countrycode WHERE T2.Description = 'Estimates are derived FROM data on foreign-born population.' AND T2.Seriescode = 'SM.POP.TOTL'