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_19 (engine VARCHAR, start VARCHAR, finish VARCHAR)
### Question:
What engine has a start less than 7, and 23 as a finish?
### Answer:
SELECT engine FROM table_name_19 WHERE start < 7 AND finish = 23