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 |
| --- | --- | --- | --- | --- | --- |
| Arkansas 1 | William J. Driver | Democratic | 1920.0 | Re-elected | William J. Driver (D) Unopposed |
| Arkansas 2 | John E. Miller | Democratic | 1930.0 | Re-elected | John E. Miller (D) Unopposed |
| Arkansas 3 | Claude Fuller | Democratic | 1928.0 | Re-elected | Claude Fuller (D) 63.1% Pat Murphy (R) 36.9% |
| Arkansas 4 | Ben Cravens | Democratic | 1932.0 | Re-elected | Ben Cravens (D) Unopposed |
| Arkansas 5 | David D. Terry | Democratic | 1933.0 | Re-elected | David D. Terry (D) Unopposed |
| Arkansas 6 | David Delano Glover | Democratic | 1928.0 | Lost renomination Democratic hold | John Little McClellan (D) Unopposed |
Question:
 how many district  with incumbent being david delano glover
Answer:
1.0