Which districts have transactions greater than USS$10,000 in 1997?
SELECT T1.district_id FROM account AS T1 INNER JOIN district AS T2 ON T1.district_id = T2.district_id INNER JOIN trans AS T3 ON T1.account_id = T3.account_id WHERE STRFTIME('%Y', T3.date) = '1997' GROUP BY T1.district_id HAVING SUM(T3.amount) > 10000