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 |
| --- | --- | --- | --- | --- | --- |
| Kentucky 1 | Noble Jones Gregory | Democratic | 1936.0 | Re-elected | Noble Jones Gregory (D) Unopposed |
| Kentucky 2 | John A. Whitaker | Democratic | 1948.0 | Re-elected | John A. Whitaker (D) Unopposed |
| Kentucky 4 | Frank Chelf | Democratic | 1944.0 | Re-elected | Frank Chelf (D) Unopposed |
| Kentucky 6 | Thomas R. Underwood | Democratic | 1948.0 | Re-elected | Thomas R. Underwood (D) Unopposed |
| Kentucky 7 | Carl D. Perkins | Democratic | 1948.0 | Re-elected | Carl D. Perkins (D) 56.1% O. W. Thompson (R) 43.9% |
| Kentucky 8 | Joe B. Bates | Democratic | 1930.0 | Re-elected | Joe B. Bates (D) 60.5% Elmer C. Roberts (R) 39.5% |
Question:
How many results for incumbent Noble Jones Gregory?
Answer:
1.0