CREATE TABLE table_203_506 (id DECIMAL, "opponent" TEXT, "played" DECIMAL, "won" DECIMAL, "lost" DECIMAL, "drawn" DECIMAL, "% won overall" TEXT)

name two countries that the england women 's rfu have played above thirty games against .
SELECT "opponent" FROM table_203_506 WHERE "played" >= 30
SELECT "opponent" FROM "table_203_506" WHERE "played" >= 30