Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_2528382_2 (year VARCHAR, co_stars VARCHAR)
### Question:
In which years are co-stars  mala sinha and amitabh bachchan?
### Answer:
SELECT year FROM table_2528382_2 WHERE co_stars = "Mala Sinha and Amitabh Bachchan"