user: Question: Which Blagojevich (D) happened on October 16, 2006?
Columns: ['Source', 'Date', 'Blagojevich (D)', 'Topinka (R)', 'Remainder']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Survey USA', 'November 2, 2006', '45%', '37%', '4%']
SQL:

assistant: SELECT "Blagojevich (D)" FROM "Table" WHERE "Date" = 'October 16, 2006';