CREATE TABLE table_13609 ("Year" FLOAT, "Finish position" TEXT, "1st day" TEXT, "2nd day" TEXT, "3rd day" TEXT, "4th Day" TEXT)

Which Finish position has a 4th Day of bumped robinson?
SELECT "Finish position" FROM table_13609 WHERE "4th Day" = 'bumped robinson'
SELECT "Finish position" FROM "table_13609" WHERE "4th Day" = 'bumped robinson'