user: Question: What are the original air dates when Scientology isthe poll winner?
Columns: ['#', 'Advocate # 1', 'Advocate # 2', 'Root of All Evil', 'Poll winner', 'Original air date']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [9.0, 'Andrew Daly for Ultimate Fighting', 'Patton Oswalt for Bloggers', 'Bloggers', 'Bloggers', 'July 30, 2008']
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "Poll winner" = 'Scientology';