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_51 (hypertransport_version VARCHAR, max_aggregate_bandwidth__bi_directional_ VARCHAR)
### Question:
What Hyper Transport version has 22.4 gb/s of Max. Aggregate bandwidth?
### Answer:
SELECT hypertransport_version FROM table_name_51 WHERE max_aggregate_bandwidth__bi_directional_ = "22.4 gb/s"