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_50 (launched VARCHAR, commissioned VARCHAR)
### Question:
What is Launched, when Commissioned is "25 July 1998"?
### Answer:
SELECT launched FROM table_name_50 WHERE commissioned = "25 july 1998"