user: Question: Which country had a series that premiered on September 4, 2006?
Columns: ['Country', 'Alternate title/Translation', 'TV network(s)', 'Series premiere', 'Weekly schedule']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Bulgaria', 'Земя на страстта', 'bTV', 'September 4, 2006', 'Monday to Friday']
SQL:

assistant: SELECT "Country" FROM "Table" WHERE "Series premiere" = 'September 4, 2006';