Which Adelaide has a Melbourne of yes, an Auckland of yes, and a Perth of yes?
CREATE TABLE "2008" (
  "sydney" text,
  "melbourne" text,
  "perth" text,
  "adelaide" text,
  "gold_coast" text,
  "auckland" text
);
SELECT "adelaide" FROM "2008" WHERE "melbourne"='yes' AND "auckland"='yes' AND "perth"='yes';