user: Question: When 12 is the season number how many series numbers are there?
Columns: ['Series #', 'Season #', 'Title', 'Director', 'Writer(s)', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [15.0, 1.0, '"The Second Greatest Story Ever Told, Part 1"', 'John Landis', 'Marta Kauffman and David Crane', 'July7,1991']
SQL:

assistant: SELECT COUNT("Series #") FROM "Table" WHERE "Season #" = 12.0;