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 |
| --- | --- | --- | --- | --- | --- |
| Tennessee 4 | Joe L. Evins | Democratic | 1946.0 | Re-elected | Joe L. Evins (D) 82.6% J. D. Boles (R) 17.4% |
| Tennessee 5 | Richard Fulton | Democratic | 1962.0 | Re-elected | Richard Fulton (D) 70.6% George Kelly (R) 29.4% |
| Tennessee 6 | William Anderson | Democratic | 1964.0 | Re-elected | William Anderson (D) 81.7% Elmer Davies (R) 18.3% |
| Tennessee 7 | Ray Blanton | Democratic | 1966.0 | Re-elected | Ray Blanton (D) 74.2% W. G. Doss (R) 25.8% |
| Tennessee 8 | Ed Jones | Democratic | 1969.0 | Re-elected | Ed Jones (D) Unopposed |
Question:
How many districts does Ed Jones represent?
Answer:
1.0