user: ### NOW ANSWER:
Question: What year was incumbent Michael A. Feighan first elected? 
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Ohio 2', 'William E. Hess', 'Republican', 1938.0, 'Lost re-election Democratic gain', 'Earl T. Wagner (D) 52.8% William E. Hess (R) 47.2%']
SQL:

assistant: SELECT MIN("First elected") FROM "Table" WHERE "Incumbent" = 'Michael A. Feighan';