user: Question: What is the party of Re-elected, incumbent Charles H. Grosvenor, who was first elected before 1894?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Ohio 1', 'Charles Phelps Taft', 'Republican', 1894.0, 'retired Republican Hold']
SQL:

assistant: SELECT "Party" FROM "Table" WHERE "Result" = 'Re-elected' AND "First elected" < 1894.0 AND "Incumbent" = 'Charles H. Grosvenor';