How many episodes have a share of 16.2% and an episode number of less than 1?
CREATE TABLE "series_2" (
  "episode_no" real,
  "airdate" text,
  "total_viewers" real,
  "share" text,
  "bbc_one_weekly_ranking" text
);
SELECT COUNT("total_viewers") FROM "series_2" WHERE "share"='16.2%' AND "episode_no"<1;