user: Question: What is the first elected date for the incumbent in the South Carolina 4 district?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['South Carolina 1', 'Samuel Dibble', 'Democratic', '1882', 'Re-elected']
SQL:

assistant: SELECT "First elected" FROM "Table" WHERE "District" = 'South Carolina 4';