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_1166023_1 (TMS VARCHAR, year_built VARCHAR)
### Question:
What where the tms numbers built in 1923
### Answer:
SELECT TMS AS number FROM table_1166023_1 WHERE year_built = 1923