Which Network has a Rank larger than 5, a Show of 2012 summer olympics closing ceremony in london?
CREATE TABLE "list_of_most_watched_television_broadcas" (
  "rank" real,
  "show" text,
  "number_of_viewers" text,
  "date" text,
  "network" text
);
SELECT "network" FROM "list_of_most_watched_television_broadcas" WHERE "rank">5 AND "show"='2012 summer olympics closing ceremony in london';