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 | Results |
| --- | --- | --- | --- | --- |
| Missouri 1 | William Lacy Clay Jr. | Democratic | 2000.0 | Re-elected |
| Missouri 2 | Todd Akin | Republican | 2000.0 | Re-elected |
| Missouri 3 | Russ Carnahan | Democratic | 2004.0 | Re-elected |
| Missouri 4 | Ike Skelton | Democratic | 1976.0 | Re-elected |
| Missouri 5 | Emanuel Cleaver | Democratic | 2004.0 | Re-elected |
| Missouri 6 | Sam Graves | Republican | 2000.0 | Re-elected |
| Missouri 7 | Roy Blunt | Republican | 1996.0 | Re-elected |
| Missouri 8 | Jo Ann Emerson | Republican | 1996.0 | Re-elected |
| Missouri 9 | Kenny Hulshof | Republican | 1996.0 | Re-elected |
Question:
In what district was incumbent Russ Carnahan elected after 2000?
Answer:
Missouri 3