CREATE TABLE table_203_608 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

what is the difference in gold medals earned between russia and great britain ?
SELECT (SELECT "gold" FROM table_203_608 WHERE "nation" = 'russia') - (SELECT "gold" FROM table_203_608 WHERE "nation" = 'great britain')
SELECT (SELECT "gold" FROM "table_203_608" WHERE "nation" = 'russia') - (SELECT "gold" FROM "table_203_608" WHERE "nation" = 'great britain')