CREATE TABLE table_204_413 (id DECIMAL, "medal" TEXT, "name" TEXT, "sport" TEXT, "event" TEXT, "date" TEXT)

name an athlete from finland who received a gold medal and a silver medal in the 1924 summer olympics
SELECT "name" FROM table_204_413 WHERE "medal" = 'gold' INTERSECT SELECT "name" FROM table_204_413 WHERE "medal" = 'silver'
SELECT "name" FROM "table_204_413" WHERE "medal" = 'gold' INTERSECT SELECT "name" FROM "table_204_413" WHERE "medal" = 'silver'