user: Question: Name the incumbent for Kentucky 9
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Kentucky 1', 'Alben Barkley', 'Democratic', 1912.0, 'Re-elected', 'Alben Barkley (D) 66.9% Robert L. Myre (R) 33.1%']
SQL:

assistant: SELECT "Incumbent" FROM "Table" WHERE "District" = 'Kentucky 9';