Table schema:
CREATE TABLE table_18278508_6 (scores_by_each_individual_judge VARCHAR, main_contestant VARCHAR, date_performed VARCHAR)

Question: What were the scores by the individual judges for Karanvir Bohra on August 13?
SQL: SELECT scores_by_each_individual_judge FROM table_18278508_6 WHERE main_contestant = "Karanvir Bohra" AND date_performed = "August 13"