CREATE TABLE table_27507 ("Song" TEXT, "Singer" TEXT, "Co-Singers" TEXT, "Music Director" TEXT, "Lyricist" TEXT, "Co-Stars" TEXT, "Movie/Album" TEXT, "Year" TEXT, "Additional Info" TEXT)

Which co-singers appear in the movie Pyaasa?
SELECT "Co-Singers" FROM table_27507 WHERE "Movie/Album" = 'Pyaasa'
SELECT "Co-Singers" FROM "table_27507" WHERE "Movie/Album" = 'Pyaasa'