CREATE TABLE table_350 ("Year" FLOAT, "Song name" TEXT, "Film name" TEXT, "Co-singer" TEXT, "Music director" TEXT, "Lyricist" TEXT, "Language" TEXT)

how many times is the co-singer suresh wadkar and the film name is tera dukh mera dukh?
SELECT COUNT("Lyricist") FROM table_350 WHERE "Co-singer" = 'Suresh Wadkar' AND "Film name" = 'Tera Dukh Mera Dukh'
SELECT COUNT("Lyricist") FROM "table_350" WHERE "Co-singer" = 'Suresh Wadkar' AND "Film name" = 'Tera Dukh Mera Dukh'