user: Question: What is 1st Party, when 2nd Party is "Conservative", when 2nd Member is "Samuel Hammersley", and when Election is "1931"?
Columns: ['Election', '1st Member', '1st Party', '2nd Member', '2nd Party']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1832', 'Thomas Marsland', 'Tory Party', 'John Horatio Lloyd', 'Liberal']
SQL:

assistant: SELECT "1st Party" FROM "Table" WHERE "2nd Party" = 'Conservative' AND "2nd Member" = 'Samuel Hammersley' AND "Election" = '1931';