user: Question: Which Office has a Party of Dem, and a First Elected of 1991†?
Columns: ['Office', 'Representative', 'Party', 'Residence', 'First Elected']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Speaker of the House', 'Brian Bosma', 'Rep', 'Indianapolis', '1986']
SQL:

assistant: SELECT "Office" FROM "Table" WHERE "Party" = 'Dem' AND "First Elected" = '1991†';