CREATE TABLE table_name_77 (election_winner VARCHAR2, incumbent VARCHAR2, state VARCHAR2)

Who was the election winner with a BJP incumbent in Chhattisgarh?
SELECT election_winner FROM table_name_77 WHERE incumbent = "bjp" AND state = "chhattisgarh"
SELECT "election_winner" FROM "table_name_77" WHERE "bjp" = "incumbent" AND "chhattisgarh" = "state"