CREATE TABLE table_204_535 (id DECIMAL, "pos" TEXT, "rider" TEXT, "manufacturer" TEXT, "laps" DECIMAL, "time/retired" TEXT, "grid" DECIMAL, "points" DECIMAL)

what is next after joan o.
SELECT "rider" FROM table_204_535 WHERE "pos" = (SELECT "pos" FROM table_204_535 WHERE "rider" = 'joan olive') + 1
SELECT "rider" FROM "table_204_535" WHERE "pos" = (SELECT "pos" FROM "table_204_535" WHERE "rider" = 'joan olive') + 1