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

how many riders scored at least 20 points ?
SELECT COUNT("rider") FROM table_204_535 WHERE "points" >= 20
SELECT COUNT("rider") FROM "table_204_535" WHERE "points" >= 20