Name the written by for prod code being 206
CREATE TABLE "table1_2322716_2" (
  "num" text,
  "original_title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_dates" text,
  "prod_code" real
);
SELECT "written_by" FROM "table1_2322716_2" WHERE "prod_code"=206;