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_81 (version VARCHAR, downstream_rate VARCHAR)
### Question:
What's the version that has a 20.0 mbit/s downstream rate?
### Answer:
SELECT version FROM table_name_81 WHERE downstream_rate = "20.0 mbit/s"