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_22180353_1 (type VARCHAR, registration VARCHAR)
### Question:
What are all types where registration is HB-OPU?
### Answer:
SELECT type FROM table_22180353_1 WHERE registration = "HB-OPU"