What episodes was the show クロサギ shown on TBS?
CREATE TABLE "2006_spring_season" (
  "japanese_title" text,
  "romaji_title" text,
  "tv_station" text,
  "episodes" real,
  "average_ratings" text
);
SELECT "episodes" FROM "2006_spring_season" WHERE "tv_station"='tbs' AND "japanese_title"='クロサギ';