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 | Ezekiel C. Gathings | Democratic | 1938.0 | Re-elected | Ezekiel C. Gathings (D) Unopposed |
| Arkansas 2 | Wilbur Mills | Democratic | 1938.0 | Re-elected | Wilbur Mills (D) Unopposed |
| Arkansas 3 | James William Trimble | Democratic | 1944.0 | Re-elected | James William Trimble (D) Unopposed |
| Arkansas 4 | William Fadjo Cravens | Democratic | 1939.0 | Retired Democratic hold | Boyd Anderson Tackett (D) Unopposed |
| Arkansas 5 | Brooks Hays | Democratic | 1942.0 | Re-elected | Brooks Hays (D) Unopposed |
| Arkansas 6 | William F. Norrell | Democratic | 1938.0 | Re-elected | William F. Norrell (D) Unopposed |
Question:
Which district has the incumbent Wilbur Mills and a re-elected result?
Answer:
Arkansas 2