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_37 (controller VARCHAR, interface VARCHAR)
### Question:
Which controller has an interface of pcie 2.0 × 8?
### Answer:
SELECT controller FROM table_name_37 WHERE interface = "pcie 2.0 × 8"