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 |
| --- | --- | --- | --- | --- |
| South Carolina 1 | Samuel Dibble | Democratic | 1882 | Re-elected |
| South Carolina 2 | George D. Tillman | Democratic | 1878 | Re-elected |
| South Carolina 3 | D. Wyatt Aiken | Democratic | 1876 | Retired Democratic hold |
| South Carolina 4 | William H. Perry | Democratic | 1884 | Re-elected |
| South Carolina 5 | John J. Hemphill | Democratic | 1882 | Re-elected |
| South Carolina 6 | George W. Dargan | Democratic | 1882 | Re-elected |
| South Carolina 7 | Robert Smalls | Republican | 1884 ( special ) | Lost re-election Democratic gain |
Question:
What is the first elected date for the incumbent in the South Carolina 4 district?
Answer:
1884.0