Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| District | Incumbent | Party | First elected | Result |
| --- | --- | --- | --- | --- |
| Ohio 1 | George H. Pendleton | Democratic | 1856.0 | Retired Republican gain |
| Ohio 2 | Alexander Long | Democratic | 1862.0 | Lost re-nomination Republican gain |
| Ohio 3 | Robert C. Schenck | Republican | 1862.0 | Re-elected |
| Ohio 4 | John F. McKinney | Democratic | 1862.0 | Lost re-election Republican gain |
| Ohio 5 | Francis C. Le Blond | Democratic | 1862.0 | Re-elected |
| Ohio 6 | Chilton A. White | Democratic | 1860.0 | Lost re-election Republican gain |
| Ohio 7 | Samuel S. Cox | Democratic | 1862.0 | Lost re-election Republican gain |
| Ohio 8 | William Johnston | Democratic | 1862.0 | Lost re-election Republican gain |
| Ohio 9 | Warren P. Noble | Democratic | 1860.0 | Lost re-election Republican gain |
| Ohio 10 | James M. Ashley | Republican | 1862.0 | Re-elected |
| Ohio 11 | Wells A. Hutchins | Democratic | 1862.0 | Lost re-election Republican gain |
| Ohio 12 | William E. Finck | Democratic | 1862.0 | Re-elected |
| Ohio 13 | John O'Neill | Democratic | 1862.0 | Retired Republican gain |
| Ohio 14 | George Bliss | Democratic | 1862.0 | Lost re-election Republican gain |
| Ohio 15 | James R. Morris | Democratic | 1862.0 | Lost re-election Republican gain |
| Ohio 16 | Joseph W. White | Democratic | 1882.0 | Lost re-election Republican gain |
| Ohio 17 | Ephraim R. Eckley | Republican | 1862.0 | Re-elected |
| Ohio 18 | Rufus P. Spalding | Republican | 1862.0 | Re-elected |
| Ohio 19 | James A. Garfield | Republican | 1862.0 | Re-elected |
Question:
Who is the Incumbent that has a District of ohio 13 in Democratic Party?
Answer:
John O'Neill