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 |
| --- | --- | --- | --- | --- |
| California 23rd | Clyde Doyle (D) | Died March 14, 1963 | Del M. Clawson (R) | June 11, 1963 |
| Pennsylvania 15th | Francis E. Walter (D) | Died May 31, 1963 | Fred B. Rooney (D) | July 30, 1963 |
| North Dakota 1st | Hjalmar C. Nygaard (R) | Died July 18, 1963 | Mark Andrews (R) | October 22, 1963 |
| Pennsylvania 23rd | Leon H. Gavin (R) | Died September 15, 1963 | Albert W. Johnson (R) | November 3, 1963 |
| Pennsylvania 5th | William J. Green, Jr. (D) | Died December 21, 1963 | William J. Green, III (D) | April 28, 1964 |
| Tennessee 2nd | Howard Baker, Sr. (R) | Died January 7, 1964 | Irene Baker (R) | March 10, 1964 |
| Illinois 6th | Thomas J. O'Brien (D) | Died April 14, 1964 | Vacant | Not filled this term |
| Missouri 9th | Clarence Cannon (D) | Died May 12, 1964 | William L. Hungate (D) | November 3, 1964 |
| Michigan 12th | John B. Bennett (R) | Died August 9, 1964 | Vacant | Not filled this term |
Question:
Who are all successors when reason for change is died May 12, 1964?
Answer:
William L. Hungate (D)