CREATE TABLE table_11827596_2 (lyricist VARCHAR2, co_singer VARCHAR2, film_name VARCHAR2)

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