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 |
| --- | --- | --- | --- | --- | --- |
| Georgia 1 | Jack Kingston | Republican | 1992.0 | Re-elected | Jack Kingston (R) 71.6% Oscar Harris (D) 28.4% |
| Georgia 2 | Sanford Bishop | Democratic | 1992.0 | Re-elected | Sanford Bishop (D) 51.4% Mike Keown (R) 48.6% |
| Georgia 4 | Hank Johnson | Democratic | 2006.0 | Re-elected | Hank Johnson (D) 74.7% Liz Carter (R) 25.3% |
| Georgia 5 | John Lewis | Democratic | 1986.0 | Re-elected | John Lewis (D) 73.7% Fenn Little (R) 26.3% |
| Georgia 6 | Tom Price | Republican | 2004.0 | Re-elected | Tom Price (R) unopposed |
| Georgia 7 | John Linder | Republican | 1992.0 | Retired Republican hold | Rob Woodall (R) 67.1% Doug Heckman (D) 32.9% |
| Georgia 8 | Jim Marshall | Democratic | 2002.0 | Lost re-election Republican gain | Austin Scott (R) 52.7% Jim Marshall (D) 47.3% |
| Georgia 9 | Tom Graves | Republican | 2010.0 | Re-elected | Tom Graves (R) unopposed |
| Georgia 10 | Paul Broun | Republican | 2007.0 | Re-elected | Paul Broun (R) 67.4% Russell Edwards (D) 32.6% |
| Georgia 11 | Phil Gingrey | Republican | 2002.0 | Re-elected | Phil Gingrey (R) unopposed |
| Georgia 12 | John Barrow | Democratic | 2004.0 | Re-elected | John Barrow (D) 56.6% Raymond McKinney (R) 43.4% |
Question:
How many incumbents are there in the georgia 8 district when the party is democratic?
Answer:
1.0