Schema: CREATE TABLE table_11827596_2 (lyricist VARCHAR, co_singer VARCHAR, film_name VARCHAR)
Question: how many times is the co-singer suresh wadkar and the film name is tera dukh mera dukh?
SQL: SELECT COUNT(lyricist) FROM table_11827596_2 WHERE co_singer = "Suresh Wadkar" AND film_name = "Tera Dukh Mera Dukh"