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_18 (transmitting_from VARCHAR, launched VARCHAR)
### Question:
Where is the station that was launched on 17 July 1997 transmitting from?
### Answer:
SELECT transmitting_from FROM table_name_18 WHERE launched = "17 july 1997"