CREATE TABLE table_203_396 (id NUMBER, "year" NUMBER, "domestic passengers" NUMBER, "international passengers" NUMBER, "total passengers" NUMBER, "change" CLOB)

which year had the most domestic passengers ?
SELECT "year" FROM table_203_396 ORDER BY "domestic passengers" DESC LIMIT 1
SELECT "year" FROM "table_203_396" ORDER BY "domestic passengers" DESC FETCH FIRST 1 ROWS ONLY