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 | Lost renomination Democratic hold | Ezekiel C. Gathings (D) Unopposed |
| Arkansas 3 | Claude Fuller | Democratic | 1928.0 | Lost renomination Democratic hold | Clyde T. Ellis (D) Unopposed |
| Arkansas 4 | William B. Cravens | Democratic | 1932.0 | Re-elected | William B. Cravens (D) Unopposed |
| Arkansas 5 | David D. Terry | Democratic | 1933.0 | Re-elected | David D. Terry (D) Unopposed |
| Arkansas 6 | John Little McClellan | Democratic | 1934.0 | Retired to run for U. S. Senate Democratic hold | William F. Norrell (D) Unopposed |
Question:
How many parties does william b. cravens represent?
Answer:
1.0