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 |
| --- | --- | --- | --- | --- | --- |
| North Carolina 2 | John H. Kerr | Democratic | 1923.0 | Re-elected | John H. Kerr (D) Unopposed |
| North Carolina 3 | Graham Arthur Barden | Democratic | 1934.0 | Re-elected | Graham Arthur Barden (D) Unopposed |
| North Carolina 4 | Harold D. Cooley | Democratic | 1934.0 | Re-elected | Harold D. Cooley (D) 65.2% Wiley L. Ward (R) 34.8% |
| North Carolina 7 | J. Bayard Clark | Democratic | 1928.0 | Re-elected | J. Bayard Clark (D) Unopposed |
| North Carolina 8 | William O. Burgin | Democratic | 1938.0 | Re-elected | William O. Burgin (D) 56.5% A. D. Barber (R) 43.5% |
| North Carolina 9 | Robert L. Doughton | Democratic | 1910.0 | Re-elected | Robert L. Doughton (D) Unopposed |
Question:
How many partys have a candidate first elected in 1923?
Answer:
1.0