CREATE TABLE table_203_70 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

how many more medals did egypt win than ivory coast ?
SELECT (SELECT "total" FROM table_203_70 WHERE "nation" = 'egypt') - (SELECT "total" FROM table_203_70 WHERE "nation" = 'ivory coast')
SELECT (SELECT "total" FROM "table_203_70" WHERE "nation" = 'egypt') - (SELECT "total" FROM "table_203_70" WHERE "nation" = 'ivory coast')