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_2 (district VARCHAR, incumbent VARCHAR, first_elected VARCHAR, result VARCHAR)
### Question:
Which District has a First elected of 1858, and a Result of retired republican gain, and an Incumbent of william millward?
### Answer:
SELECT district FROM table_name_2 WHERE first_elected = 1858 AND result = "retired republican gain" AND incumbent = "william millward"