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 | Vacator | Reason for change | Successor | Date successor seated |
| --- | --- | --- | --- | --- |
| Georgia 2nd | Vacant | Rep. Edward E. Cox died during previous congress | J. L. Pilcher (D) | February 4, 1953 |
| South Carolina 4th | Joseph R. Bryson (D) | Died March 10, 1953 | Robert T. Ashmore (D) | June 2, 1953 |
| Kentucky 2nd | Garrett L. Withers (D) | Died April 30, 1953 | William H. Natcher (D) | August 1, 1953 |
| Wisconsin 9th | Merlin Hull (R) | Died May 17, 1953 | Lester Johnson (D) | October 13, 1953 |
| New Jersey 6th | Clifford P. Case (R) | Resigned August 16, 1953 | Harrison A. Williams (D) | November 3, 1953 |
| Hawaii Territory At-large | Joseph R. Farrington (R) | Resigned June 19, 1954 | Elizabeth P. Farrington (R) | July 31, 1954 |
| Georgia 4th | A. Sidney Camp (D) | Died July 24, 1954 | John J. Flynt, Jr. (D) | November 2, 1954 |
| Michigan 3rd | Paul W. Shafer (R) | Died August 17, 1954 | Vacant | Not filled this term |
| Ohio 15th | Robert T. Secrest (D) | Resigned September 26, 1954 | Vacant | Not filled this term |
Question:
who was the successor for district ohio 15th?
Answer:
Vacant