user: Question: Who was the incumbent in the Ohio 10 district?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Ohio 5', 'Richard Mott', 'Republican', 1854.0, 'Retired Republican hold', 'James M. Ashley (R) 51.3% William Mungen (D) 48.7%']
SQL:

assistant: SELECT "Incumbent" FROM "Table" WHERE "District" = 'Ohio 10';