CREATE TABLE table_11730 ("Year" FLOAT, "Film name" TEXT, "Co-singer" TEXT, "Music director" TEXT, "Lyricist" TEXT)

Which year was the film Rang Barse introduced?
SELECT COUNT("Year") FROM table_11730 WHERE "Film name" = 'rang barse'
SELECT COUNT("Year") FROM "table_11730" WHERE "Film name" = 'rang barse'