How many episodes when the tv station is ntv and the japanese title is たったひとつの恋?
CREATE TABLE "2006_fall_season" (
  "japanese_title" text,
  "romaji_title" text,
  "tv_station" text,
  "episodes" real,
  "average_ratings" text
);
SELECT "episodes" FROM "2006_fall_season" WHERE "tv_station"='ntv' AND "japanese_title"='たったひとつの恋';