CREATE TABLE table_204_726 (id DECIMAL, "rank" DECIMAL, "athlete" TEXT, "country" TEXT, "time" TEXT, "behind" DECIMAL, "points" DECIMAL)

who is the last athlete ?
SELECT "athlete" FROM table_204_726 ORDER BY "rank" DESC LIMIT 1
SELECT "athlete" FROM "table_204_726" ORDER BY "rank" DESC NULLS LAST LIMIT 1