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 | Richard S. Whaley | Democratic | 1913 (special) | Re-elected | Richard S. Whaley (D) 95.4% J. O. Ladd (R) 4.6% |
| South Carolina 2 | James F. Byrnes | Democratic | 1910 | Re-elected | James F. Byrnes (D) 98.5% Isaac Myers (R) 1.5% |
| South Carolina 3 | Wyatt Aiken | Democratic | 1902 | Lost primary Democratic hold | Frederick H. Dominick (D) 100% |
| South Carolina 4 | Samuel J. Nicholls | Democratic | 1915 (special) | Re-elected | Samuel J. Nicholls (D) 99.4% G. F. Mills (R) 0.6% |
| South Carolina 5 | David E. Finley | Democratic | 1898 | Re-elected | David E. Finley (D) 100% |
Question:
How many different set of candidates were there when the incumbent was david e. finley?
Answer:
1.0