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 |
| --- | --- | --- | --- | --- |
| Connecticut 1 | John Larson | Democratic | 1998.0 | Re-elected |
| Connecticut 2 | Rob Simmons | Republican | 2000.0 | Lost re-election Democratic gain |
| Connecticut 3 | Rosa DeLauro | Democratic | 1990.0 | Re-elected |
| Connecticut 4 | Chris Shays | Republican | 1987.0 | Re-elected |
| Connecticut 5 | Nancy Johnson | Republican | 1982.0 | Lost re-election Democratic gain |
Question:
What district re-elected a Republican?
Answer:
Connecticut 4