Name the sydney with perth of no, adelaide of no with melbourne of yes and gold coast of yes
CREATE TABLE "2007" (
  "sydney" text,
  "melbourne" text,
  "perth" text,
  "adelaide" text,
  "gold_coast" text,
  "auckland" text
);
SELECT "sydney" FROM "2007" WHERE "perth"='no' AND "adelaide"='no' AND "melbourne"='yes' AND "gold_coast"='yes';