user: Question: What incumbent has a Re-elected result and first elected larger than 1884?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['California 1', 'Thomas Larkin Thompson', 'Democratic', 1886.0, 'Lost re-election Republican gain']
SQL:

assistant: SELECT "Incumbent" FROM "Table" WHERE "Result" = 'Re-elected' AND "First elected" > 1884.0;