What is Title, when Season is less than 1.8, and when First Broadcast is March 6, 1981?
CREATE TABLE "episodes" (
  "title" text,
  "season" real,
  "director" text,
  "teleplay" text,
  "first_broadcast" text
);
SELECT "title" FROM "episodes" WHERE "season"<1.8 AND "first_broadcast"='march 6, 1981';