CREATE TABLE table_11731 ("Year" FLOAT, "Film name" CLOB, "Co-singer" CLOB, "Music director" CLOB, "Lyricist" CLOB)

What was the latest year for the film Gaon Ki Ganga?
SELECT MAX("Year") FROM table_11731 WHERE "Film name" = 'gaon ki ganga'
SELECT MAX("Year") FROM "table_11731" WHERE "Film name" = 'gaon ki ganga'