user: Question: What was Kaine's (D) percentage in the poll on October 30, 2005?
Columns: ['Source', 'Date', 'Kaine (D)', 'Kilgore (R)', 'Potts (I)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Survey USA', 'November 7, 2005', '50%', '45%', '4%']
SQL:

assistant: SELECT "Kaine (D)" FROM "Table" WHERE "Date" = 'October 30, 2005';