CREATE TABLE table_11827596_2 (lyricist VARCHAR(255), co_singer VARCHAR(255), film_name VARCHAR(255))
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"