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_23122988_1 (episode VARCHAR, location VARCHAR)
### Question:
What episode took place in Belfast Waterfront Hall?
### Answer:
SELECT episode FROM table_23122988_1 WHERE location = "Belfast Waterfront Hall"