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_54 (year_built VARCHAR, current_status VARCHAR, boat_builder VARCHAR)
### Question:
What year did J. Jones, trearddur bay build a boat with a current status of tbsc?
### Answer:
SELECT year_built FROM table_name_54 WHERE current_status = "tbsc" AND boat_builder = "j. jones, trearddur bay"