Which Rank has a Show of alcatraz, and a Number of Viewers larger than 1,229,000?
CREATE TABLE "most_watched_programmes" (
  "rank" real,
  "show" text,
  "episode" text,
  "number_of_viewers" real,
  "date" text
);
SELECT MIN("rank") FROM "most_watched_programmes" WHERE "show"='alcatraz' AND "number_of_viewers">'1,229,000';