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 |
| --- | --- | --- | --- | --- |
| Virginia (1) | Vacant | Virginia re-admitted to the Union | John F. Lewis (R) | January 26, 1870 |
| Virginia (2) | Vacant | Virginia re-admitted to the Union | John W. Johnston (D) | January 26, 1870 |
| Mississippi (1) | Vacant | Mississippi re-admitted to the Union | Adelbert Ames (R) | February 23, 1870 |
| Mississippi (2) | Vacant | Mississippi re-admitted to the Union | Hiram R Revels (R) | February 23, 1870 |
| Texas (1) | Vacant | Texas re-admitted to the Union | James W. Flanagan (R) | March 30, 1870 |
| Texas (2) | Vacant | Texas re-admitted to the Union | Morgan C. Hamilton (R) | March 31, 1870 |
| Georgia (3) | Vacant | Georgia re-admitted to the Union | Joshua Hill (R) | February 1, 1871 |
| Georgia (2) | Vacant | Georgia re-admitted to the Union | Homer V. M. Miller (D) | February 28, 1871 |
| Maine (2) | William P. Fessenden (R) | Died September 8, 1869 | Lot M. Morrill (R) | October 30, 1869 |
| Minnesota (2) | Daniel S. Norton (R) | Died July 13, 1870 | William Windom (R) | July 15, 1870 |
| Missouri (3) | Daniel T. Jewett (R) | Successor elected January 20, 1871 | Francis P. Blair, Jr. (D) | January 20, 1871 |
Question:
Who was the vacator when the successor was formally installed on February 1, 1871?
Answer:
Vacant