CREATE TABLE table_203_451 (id DECIMAL, "year" DECIMAL, "film" TEXT, "role" TEXT, "language" TEXT, "notes" TEXT)

what role did kajal play before pooja ?
SELECT "role" FROM table_203_451 WHERE id = (SELECT id FROM table_203_451 WHERE "role" = 'pooja') - 1
SELECT "role" FROM "table_203_451" WHERE "id" = (SELECT "id" FROM "table_203_451" WHERE "role" = 'pooja') - 1