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 |
| --- | --- | --- | --- | --- |
| California 1 | Barclay Henley | Democratic | 1882.0 | Retired Democratic hold |
| California 2 | James A. Louttit | Republican | 1884.0 | Retired Democratic gain |
| California 3 | Joseph McKenna | Republican | 1884.0 | Re-elected |
| California 4 | William W. Morrow | Republican | 1884.0 | Re-elected |
| California 5 | Charles N. Felton | Republican | 1884.0 | Re-elected |
| California 6 | Henry Markham | Republican | 1884.0 | Retired Republican hold |
Question:
What's the average year Charles N. Felton was re-elected?
Answer:
1884.0