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 | L. Mendel Rivers | Democratic | 1940.0 | Re-elected | L. Mendel Rivers (D) Unopposed |
| South Carolina 2 | Hampton P. Fulmer | Democratic | 1920.0 | Re-elected | Hampton P. Fulmer (D) Unopposed |
| South Carolina 3 | Butler B. Hare | Democratic | 1938.0 | Re-elected | Butler B. Hare (D) Unopposed |
| South Carolina 4 | Joseph R. Bryson | Democratic | 1938.0 | Re-elected | Joseph R. Bryson (D) Unopposed |
| South Carolina 5 | James P. Richards | Democratic | 1932.0 | Re-elected | James P. Richards (D) Unopposed |
Question:
What is the first elected for south carolina 4?
Answer:
1938.0