user: Question: Who was the election winner with a BJP incumbent in Chhattisgarh?
Columns: ['State', 'Seats (ACs)', 'Date of Counting', 'Incumbent', 'Election Winner']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Tripura', 60.0, 'Friday, 7 Mar 2008', 'CPI(M)', 'CPI(M)']
SQL:

assistant: SELECT "Election Winner" FROM "Table" WHERE "Incumbent" = 'BJP' AND "State" = 'Chhattisgarh';