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 1 | Jimmy Quillen | Republican | 1962.0 | Re-elected | Jimmy Quillen (R) 71.7% Arthur Bright (D) 28.3% |
| Tennessee 3 | Bill Brock | Republican | 1962.0 | Re-elected | Bill Brock (R) 54.6% Robert M. Summitt (D) 45.4% |
| Tennessee 4 | Joe L. Evins | Democratic | 1946.0 | Re-elected | Joe L. Evins (D) Unopposed |
| Tennessee 5 | Richard Fulton | Democratic | 1946.0 | Re-elected | Richard Fulton (D) 59.8% Bill R. Wills (R) 40.2% |
| Tennessee 6 | Ross Bass | Democratic | 1954.0 | Retired to run for U. S. Senate Democratic hold | William Anderson (D) 78.2% Cecil R. Hill (R) 21.8% |
Question:
 how many incumbent with district  being tennessee 5
Answer:
1.0