user: Question: During what year was Representative Spencer Bachus first elected?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Results', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Alabama 1', 'Jo Bonner', 'Republican', 2002.0, 'Re-elected', 'Jo Bonner (R) 68.1% Vivian Beckerle (D) 31.8%']
SQL:

assistant: SELECT "First elected" FROM "Table" WHERE "Incumbent" = 'Spencer Bachus';