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_1057316_1 (operational_owner_s_ VARCHAR, build_date VARCHAR)
### Question:
Who were the operational owners during the construction date of April 1892?
### Answer:
SELECT operational_owner_s_ FROM table_1057316_1 WHERE build_date = "April 1892"