user: Question: Which 1st Party has a 2nd Party of Conservative, and a 1st Member of William Wither Bramston Beach?
Columns: ['Election', '1st Member', '1st Party', '2nd Member', '2nd Party']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1832', 'Charles Shaw-Lefevre', 'Liberal', 'James Winter Scott', 'Liberal Party']
SQL:

assistant: SELECT "1st Party" FROM "Table" WHERE "2nd Party" = 'Conservative' AND "1st Member" = 'William Wither Bramston Beach';