CREATE TABLE table_202_22 (id NUMBER, "rank" NUMBER, "rider" CLOB, "team" CLOB, "points" NUMBER)

how many more points did erik zabel score than franciso ventoso ?
SELECT (SELECT "points" FROM table_202_22 WHERE "rider" = 'erik zabel') - (SELECT "points" FROM table_202_22 WHERE "rider" = 'francisco ventoso')
SELECT (SELECT "points" FROM "table_202_22" WHERE "rider" = 'erik zabel') - (SELECT "points" FROM "table_202_22" WHERE "rider" = 'francisco ventoso')