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) 92.1% Ira J. Mock (R) 7.9% |
| Arkansas 3 | Claude Fuller | Democratic | 1928.0 | Re-elected | Claude Fuller (D) Unopposed |
| Arkansas 4 | Effiegene Locke Wingo | Democratic | 1930.0 | Retired Democratic hold | William B. Cravens (D) Unopposed |
| Arkansas 5 | Heartsill Ragon | Democratic | 1922.0 | Re-elected | Heartsill Ragon (D) 90.5% A. L. Barbour (R) 9.5% |
| Arkansas 6 | David Delano Glover | Democratic | 1928.0 | Re-elected | David Delano Glover (D) Unopposed |
Question:
In how many districts was the incumbent David Delano Glover? 
Answer:
1.0