user: Question: Which Original Airdate has an Episode of 1?
Columns: ['Episode', 'Title', 'Writer', 'Director', 'Original Airdate']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, '"The Comeback" ( Pilot )', 'Lisa Kudrow & Michael Patrick King', 'Michael Patrick King', 'June 5, 2005 (HBO)']
SQL:

assistant: SELECT "Original Airdate" FROM "Table" WHERE "Episode" = 1.0;