CREATE TABLE table_204_694 (id NUMBER, "year" CLOB, "name" CLOB, "date" CLOB, "stages" NUMBER, "distance" CLOB, "winner" CLOB, "time" CLOB)

who is listed before wong kam po ?
SELECT "winner" FROM table_204_694 WHERE id = (SELECT id FROM table_204_694 WHERE "winner" = 'wong kam-po') - 1
SELECT "winner" FROM "table_204_694" WHERE "id" = (SELECT "id" FROM "table_204_694" WHERE "winner" = 'wong kam-po') - 1