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:
| State (class) | Vacator | Reason for change | Successor | Date of successors formal installation |
| --- | --- | --- | --- | --- |
| New Hampshire (2) | Vacant | Legislature failed to elect on time. | John Parker Hale (R) | July 30, 1855 |
| Alabama (3) | Vacant | Legislature failed to elect on time. | Benjamin Fitzpatrick (D) | November 26, 1855 |
| Pennsylvania (3) | Vacant | Legislature failed to elect on time. | William Bigler (D) | January 14, 1856 |
| California (3) | Vacant | Legislature failed to elect on time. | William M. Gwin (D) | January 13, 1857 |
| Indiana (3) | Vacant | Legislature failed to elect on time. | Graham N. Fitch (D) | February 4, 1857 |
Question:
What state had william bigler (d) as a successor)
Answer:
Pennsylvania (3)