user: Question: What are the original air date(s) for season episode 20?
Columns: ['Series #', 'Season #', 'Title', 'Director', 'Writer', 'Original Airdate']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [190.0, 1.0, '"A Rock and a Hard Place"', 'Kevin Dowling', 'Martha Williamson Burt Pearl', 'September28,2002']
SQL:

assistant: SELECT "Original Airdate" FROM "Table" WHERE "Season #" = 20.0;