CREATE TABLE table_348 ("Year" FLOAT, "Song name" TEXT, "Film name" TEXT, "Co-singer" TEXT, "Music director" TEXT, "Lyricist" TEXT, "Language" TEXT)

What was the number of music directors where the suresh wadkar co singer of bhayanak?
SELECT COUNT("Music director") FROM table_348 WHERE "Co-singer" = 'Suresh Wadkar' AND "Film name" = 'Bhayanak'
SELECT COUNT("Music director") FROM "table_348" WHERE "Co-singer" = 'Suresh Wadkar' AND "Film name" = 'Bhayanak'