CREATE TABLE table_21814 ("Season" TEXT, "Timeslot" TEXT, "Premiere" TEXT, "Finale" TEXT, "TV season" TEXT, "Ranking" TEXT, "Viewers  ( in millions ) " TEXT)

What finales took place in the Tuesday 9:30 p.m. timeslot?
SELECT "Finale" FROM table_21814 WHERE "Timeslot" = 'Tuesday 9:30 p.m.'
SELECT "Finale" FROM "table_21814" WHERE "Timeslot" = 'Tuesday 9:30 p.m.'