Database: world_development_indicators
Question: List out the series code and country code of the poor countries that located in Latin American & Carribbean.
SQL: SELECT T2.SeriesCode, T2.CountryCode FROM Country AS T1 INNER JOIN CountryNotes AS T2 ON T1.CountryCode = T2.Countrycode WHERE T1.Region = 'Latin America & Caribbean' AND t1.incomegroup = 'Low income'