What are the titles of the pieces that are number 2 in season?
CREATE TABLE "table1_25604014_6" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);
SELECT "title" FROM "table1_25604014_6" WHERE "no_in_season"=2;