CREATE TABLE table_203_355 (id NUMBER, "year" NUMBER, "total" NUMBER, "romanians" CLOB, "hungarians" CLOB, "roma" CLOB)

which year had a total of 6,981 and 19.4 % hungarians ?
SELECT "year" FROM table_203_355 WHERE "total" = 6981 AND "hungarians" = 19.4
SELECT "year" FROM "table_203_355" WHERE "hungarians" = 19.4 AND "total" = 6981