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_name_25 (on_demand VARCHAR, free_or_pay VARCHAR, provider VARCHAR)
### Question:
Which On demand has a pay and a Provider of virgin media (formerly ntl:telewest)?
### Answer:
SELECT on_demand FROM table_name_25 WHERE free_or_pay = "pay" AND provider = "virgin media (formerly ntl:telewest)"