CREATE TABLE table_204_162 (id DECIMAL, "team" TEXT, "constructor" TEXT, "motorcycle" TEXT, "tyres" TEXT, "no" DECIMAL, "rider" TEXT, "rounds" TEXT)

what is the name of the last rider on this chart ?
SELECT "rider" FROM table_204_162 ORDER BY id DESC LIMIT 1
SELECT "rider" FROM "table_204_162" ORDER BY "id" DESC NULLS LAST LIMIT 1