Which Conference Semifinals has a Conference Finals of † denotes division championship?
CREATE TABLE "playoffs" (
  "season" text,
  "record" text,
  "seed" text,
  "first_round" text,
  "conference_semifinals" text,
  "conference_finals" text,
  "nba_finals" text
);
SELECT "conference_semifinals" FROM "playoffs" WHERE "conference_finals"='† denotes division championship';