user: Question: List the original air date for week 5.
Columns: ['No.', '#', 'Title', 'Directed by', 'Written by', 'U.S. viewers (million)', 'Rank (week)', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [87.0, 1.0, '" Dying Changes Everything "', 'Deran Sarafian', 'Eli Attie', '14.77', 2.0, 'September16,2008']
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "Rank (week)" = 5.0;