How many different season numbers does the episode "The Nineteenth Hole" have?
CREATE TABLE "table1_29584601_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real
);
SELECT COUNT("no_in_season") FROM "table1_29584601_1" WHERE "title"='\"The Nineteenth Hole\"';