CREATE TABLE table_204_707 (id DECIMAL, "year" DECIMAL, "english title" TEXT, "chinese title" TEXT, "director" TEXT, "role" TEXT)

what was the first film zhao dan starred in ?
SELECT "english title" FROM table_204_707 ORDER BY "year" LIMIT 1
SELECT "english title" FROM "table_204_707" ORDER BY "year" NULLS FIRST LIMIT 1