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 |
| --- | --- | --- | --- | --- | --- |
| Illinois 2 | Barratt O'Hara | Democratic | 1952.0 | Re-elected | Barratt O'Hara (D) 61.6% Richard B. Vail (R) 38.4% |
| Illinois 3 | Fred E. Busbey | Republican | 1950.0 | Lost re-election Democratic gain | James C. Murray (D) 53.8% Fred E. Busbey (R) 46.2% |
| Illinois 14 | Chauncey W. Reed | Republican | 1934.0 | Re-elected | Chauncey W. Reed (R) 72.4% Richard Plum (D) 27.6% |
| Illinois 15 | Noah M. Mason | Republican | 1936.0 | Re-elected | Noah M. Mason (R) 62.8% Richard A. Mohan (D) 37.2% |
| Illinois 16 | Leo E. Allen | Republican | 1932.0 | Re-elected | Leo E. Allen (R) Unopposed |
| Illinois 20 | Sid Simpson | Republican | 1942.0 | Re-elected | Sid Simpson (R) 62.9% James A. Barry (D) 37.1% |
| Illinois 24 | Melvin Price | Democratic | 1944.0 | Re-elected | Melvin Price (D) 69.2% John T. Thomas (R) 30.8% |
Question:
What was the result when Leo E. Allen was elected?
Answer:
Re-elected