Database: financial
Question: Among the accounts who have approved loan date in 1997, list out the accounts that have the lowest approved amount and choose weekly issuance statement.
SQL: SELECT T2.account_id FROM loan AS T1 INNER JOIN account AS T2 ON T1.account_id = T2.account_id WHERE STRFTIME('%Y', T1.date) = '1997' AND T2.frequency = 'POPLATEK TYDNE' ORDER BY T1.amount LIMIT 1