user: Question: Who was the incumbent from the Ohio 13 district?
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 "Incumbent" FROM "Table" WHERE "District" = 'Ohio 13';