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_27 (writer_s_ VARCHAR, catalogue VARCHAR, track VARCHAR)
### Question:
On songs with track numbers smaller than number 17 and catalogues of LSP 2231, who are the writer(s)?
### Answer:
SELECT writer_s_ FROM table_name_27 WHERE catalogue = "lsp 2231" AND track < 17