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 | Candidates |
| --- | --- | --- | --- | --- | --- |
| Wisconsin 1 | Mark Neumann | Republican | 1994.0 | Retired to run for U.S. Senate Republican hold | Paul Ryan (R) 57.1% Lydia Spottswood (D) 42.7% |
| Wisconsin 2 | Scott Klug | Republican | 1990.0 | Retired Democratic gain | Tammy Baldwin (D) 52.5% Josephine Musser (R) 47.4% |
| Wisconsin 3 | Ron Kind | Democratic | 1996.0 | Re-elected | Ron Kind (D) 71.5% Troy Brechler (R) 28.4% |
| Wisconsin 4 | Jerry Kleczka | Democratic | 1984.0 | Re-elected | Jerry Kleczka (D) 57.9% Tom Reynolds (R) 42% |
| Wisconsin 5 | Tom Barrett | Democratic | 1992.0 | Re-elected | Tom Barrett (D) 78.2% Jack Melvin (R) 21.6% |
| Wisconsin 6 | Tom Petri | Republican | 1979.0 | Re-elected | Tom Petri (R) 92.6% Timothy Farness (T) 7.2% |
| Wisconsin 7 | Dave Obey | Democratic | 1969.0 | Re-elected | Dave Obey (D) 60.6% Scott West (R) 39.3% |
Question:
Who's the incumbent of district Wisconsin 5?
Answer:
Tom Barrett