CREATE TABLE table_18278508_6 (scores_by_each_individual_judge VARCHAR2, co_contestant__yaar_vs_pyaar_ VARCHAR2)

How many different combinations of scores by individual judges were given to the contestant competing against Mukul Dev?
SELECT COUNT(scores_by_each_individual_judge) FROM table_18278508_6 WHERE co_contestant__yaar_vs_pyaar_ = "Mukul Dev"
SELECT COUNT("scores_by_each_individual_judge") FROM "table_18278508_6" WHERE "Mukul Dev" = "co_contestant__yaar_vs_pyaar_"