user: Question: What 2nd Member has a 2nd Party of Conservative, and an Election of 1853 by-election?
Columns: ['Election', '1st Member', '1st Party', '2nd Member', '2nd Party']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1832', 'Hon. Henry Lygon', 'Tory', 'Hon. Thomas Foley', 'Whig']
SQL:

assistant: SELECT "2nd Member" FROM "Table" WHERE "2nd Party" = 'Conservative' AND "Election" = '1853 by-election';