CREATE TABLE table_31258 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

How many different season numbers does the episode 'The Nineteenth Hole' have?
SELECT COUNT("No. in season") FROM table_31258 WHERE "Title" = 'The Nineteenth Hole'
SELECT COUNT("No. in season") FROM "table_31258" WHERE "Title" = 'The Nineteenth Hole'