CREATE TABLE table_203_466 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

what is the difference in medals between cuba and mexico ?
SELECT (SELECT "total" FROM table_203_466 WHERE "nation" = 'cuba') - (SELECT "total" FROM table_203_466 WHERE "nation" = 'mexico')
SELECT (SELECT "total" FROM "table_203_466" WHERE "nation" = 'cuba') - (SELECT "total" FROM "table_203_466" WHERE "nation" = 'mexico')