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_24 (price VARCHAR, upstream VARCHAR, downstream VARCHAR)
### Question:
What is the price of the internet provider that has an upstream rate of 256 kbit and a downstream rate of 512 kbit?
### Answer:
SELECT price FROM table_name_24 WHERE upstream = "256 kbit" AND downstream = "512 kbit"