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_63 (fleet VARCHAR, launched VARCHAR)
### Question:
Which fleet launched on July 30, 1961?
### Answer:
SELECT fleet FROM table_name_63 WHERE launched = "july 30, 1961"