Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_77 (election_winner VARCHAR, incumbent VARCHAR, state VARCHAR)

### Question ###
Who was the election winner with a BJP incumbent in Chhattisgarh?

### Accurate SQL ###

SELECT election_winner FROM table_name_77 WHERE incumbent = "bjp" AND state = "chhattisgarh"