CREATE TABLE table_204_1 (id NUMBER, "season" CLOB, "north" CLOB, "south" CLOB, "east" CLOB, "west" CLOB)

who won the season in the north before ec bayreuth did in 2002-03 ?
SELECT "north" FROM table_204_1 WHERE id = (SELECT id FROM table_204_1 WHERE "north" = 'ec bayreuth') - 1
SELECT "north" FROM "table_204_1" WHERE "id" = (SELECT "id" FROM "table_204_1" WHERE "north" = 'ec bayreuth') - 1