user: Question: Which 1st party has 2nd party Conservative, election smaller than 1852, and Thomas Grimsditch as 2nd member?
Columns: ['Election', '1st Member', '1st Party', '2nd Member', '2nd Party']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1832.0, 'John Brocklehurst', 'Liberal', 'John Ryle', 'Conservative']
SQL:

assistant: SELECT "1st Party" FROM "Table" WHERE "2nd Party" = 'Conservative' AND "Election" < 1852.0 AND "2nd Member" = 'Thomas Grimsditch';