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_19643196_1 (fleet__number VARCHAR, length__ft_ VARCHAR)
### Question:
What is the fleet number when the length (ft) is 30?
### Answer:
SELECT fleet__number FROM table_19643196_1 WHERE length__ft_ = 30