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 | Candidates |
| --- | --- | --- | --- | --- | --- |
| South Carolina 1 | Samuel Dibble | Democratic | 1882.0 | Re-elected | Samuel Dibble (D) 99.9% Others 0.1% |
| South Carolina 2 | George D. Tillman | Democratic | 1878.0 | Re-elected | George D. Tillman (D) 99.6% Others 0.4% |
| South Carolina 3 | D. Wyatt Aiken | Democratic | 1876.0 | Retired Democratic hold | James S. Cothran (D) 99.8% Others 0.2% |
| South Carolina 4 | William H. Perry | Democratic | 1884.0 | Re-elected | William H. Perry (D) 100% |
| South Carolina 5 | John J. Hemphill | Democratic | 1882.0 | Re-elected | John J. Hemphill (D) 99.9% Others 0.1% |
Question:
Who was everyone first elected when incumbent was John J. Hemphill?
Answer:
1882.0