CREATE TABLE table_204_449 (id DECIMAL, "no" DECIMAL, "episode" TEXT, "title" TEXT, "original airdate" TEXT, "viewers" DECIMAL, "nightly\ rank" DECIMAL)

which episode had at least 1.0 viewers ?
SELECT "title" FROM table_204_449 WHERE "viewers" >= 1.0
SELECT "title" FROM "table_204_449" WHERE "viewers" >= 1.0