user: ### NOW ANSWER:
Question: In what year was the Republican incumbent from Kentucky 2 district first elected?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Results']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Kentucky 1', 'Ed Whitfield', 'Republican', 1994.0, 'Re-elected']
SQL:

assistant: SELECT SUM("First elected") FROM "Table" WHERE "Party" = 'Republican' AND "District" = 'Kentucky 2';