How many ranks are in liverpool with more than 3 platforms and an annual interchange less than 0.778 million?
CREATE TABLE "references" (
  "rank" real,
  "railway_station" text,
  "annual_entry_exit_millions_2011_12" real,
  "annual_interchanges_millions_2011_12" real,
  "total_passengers_millions_2011_12" real,
  "location" text,
  "number_of_platforms" real
);
SELECT COUNT("rank") FROM "references" WHERE "location"='liverpool' AND "number_of_platforms">3 AND "annual_interchanges_millions_2011_12"<0.778;