user: Question: In which district is the first elected 2000?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Results', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Florida 1', 'Jeff Miller', 'Republican', 2001.0, 'Re-elected', 'Jeff Miller (R) 68.5% Joe Roberts (D) 31.5%']
SQL:

assistant: SELECT "District" FROM "Table" WHERE "First elected" = 2000.0;