CREATE TABLE table_203_175 (id DECIMAL, "rank" TEXT, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

who won more gold medals than spain ?
SELECT "nation" FROM table_203_175 WHERE "gold" > (SELECT "gold" FROM table_203_175 WHERE "nation" = 'spain')
SELECT "nation" FROM "table_203_175" WHERE "gold" > (SELECT "gold" FROM "table_203_175" WHERE "nation" = 'spain')