user: Question: Who was the first elected for the Republican party?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Results']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['South Carolina 1', 'Henry Brown, Jr.', 'Republican', 2000.0, 'Re-elected']
SQL:

assistant: SELECT MIN("First elected") FROM "Table" WHERE "Party" = 'Republican';