user: Question: What was the result when Leo E. Allen was elected?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Illinois 2', "Barratt O'Hara", 'Democratic', 1952.0, 'Re-elected', "Barratt O'Hara (D) 61.6% Richard B. Vail (R) 38.4%"]
SQL:

assistant: SELECT "Result" FROM "Table" WHERE "Incumbent" = 'Leo E. Allen';