CREATE TABLE table_203_322 (id DECIMAL, "club" TEXT, "played" DECIMAL, "won" DECIMAL, "drawn" DECIMAL, "lost" DECIMAL, "points for" DECIMAL, "points against" DECIMAL, "bonus points" DECIMAL, "points" DECIMAL)

what is the difference in the total points for the club biarritz olympique and su agen ?
SELECT (SELECT "points" FROM table_203_322 WHERE "club" = 'biarritz olympique') - (SELECT "points" FROM table_203_322 WHERE "club" = 'su agen')
SELECT (SELECT "points" FROM "table_203_322" WHERE "club" = 'biarritz olympique') - (SELECT "points" FROM "table_203_322" WHERE "club" = 'su agen')