user: Question: What is the party for the representative who was first elected before 2002 and the results were Re-elected?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Results']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Oklahoma 1', 'John Sullivan', 'Republican', 2002.0, 'Re-elected']
SQL:

assistant: SELECT "Party" FROM "Table" WHERE "Results" = 'Re-elected' AND "First elected" < 2002.0;