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 | Candidates |
| --- | --- | --- | --- | --- | --- |
| Virginia 4 | William McCoy | Democratic-Republican | 1811 | Re-elected | William McCoy (DR) |
| Virginia 5 | John Floyd | Democratic-Republican | 1817 | Re-elected | John Floyd (DR) |
| Virginia 6 | Alexander Smyth | Democratic-Republican | 1817 | Re-elected | Alexander Smyth (DR) |
| Virginia 7 | Ballard Smith | Democratic-Republican | 1815 | Retired Democratic-Republican hold | William Smith (DR) 53.2% James Wilson (DR) 46.8% |
| Virginia 11 | Philip P. Barbour | Democratic-Republican | 1814 (special) | Re-elected | Philip P. Barbour (DR) |
| Virginia 12 | Robert S. Garnett | Democratic-Republican | 1817 | Re-elected | Robert S. Garnett (DR) 100% |
| Virginia 14 | William A. Burwell | Democratic-Republican | 1806 (special) | Retired Democratic-Republican hold | Jabez Leftwich (DR) 93.5% James Calloway (DR) 6.5% |
| Virginia 17 | William S. Archer | Democratic-Republican | 1820 (special) | Re-elected | William S. Archer (DR) 100% |
| Virginia 18 | Mark Alexander | Democratic-Republican | 1819 | Re-elected | Mark Alexander (DR) 100% |
| Virginia 19 | James Jones | Democratic-Republican | 1819 | Re-elected | James Jones (DR) |
| Virginia 20 | John C. Gray | Democratic-Republican | 1820 ( special ) | Lost re-election Democratic-Republican hold | Arthur Smith (DR) 60.3% John C. Gray (DR) 39.7% |
| Virginia 21 | Thomas Newton, Jr. | Democratic-Republican | 1797 | Re-elected | Thomas Newton, Jr. (DR) 94.7% Others 5.3% |
| Virginia 22 | Hugh Nelson | Democratic-Republican | 1811 | Re-elected | Hugh Nelson (DR) 100% |
Question:
Who is the incumbent in the Virginia 6 district?
Answer:
Alexander Smyth