user: Question: What is the second party where the first party is Tory and the year is 1820?
Columns: ['Year', 'First member', 'First party', 'Second member', 'Second party']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1790.0, 'Peniston Portlock Powney', 'Tory', 'The Earl of Mornington', 'Non Partisan']
SQL:

assistant: SELECT "Second party" FROM "Table" WHERE "First party" = 'Tory' AND "Year" = 1820.0;