user: Question:  what's the success where date of completion is September 28, 2007
Columns: ['Symbol', 'Description', 'Success', 'Date of completion', 'Deadline for completion']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['NEWIPOD', 'Apple releases wide-aspect ratio touch screen iPod', 'Yes', 'September 5, 2007', 'September 30, 2007']
SQL:

assistant: SELECT "Success" FROM "Table" WHERE "Date of completion" = 'September 28, 2007';