when was the number l6, with a fleet of black sea, launched?
CREATE TABLE table_name_86 (launched VARCHAR, fleet VARCHAR, number VARCHAR)
SELECT launched FROM table_name_86 WHERE fleet = "black sea" AND number = "l6"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_86 (launched VARCHAR, fleet VARCHAR, number VARCHAR) Question: when was the number l6, with a fleet of black sea, launched? [/INST] SELECT launched FROM table_name_86 WHERE fleet = "black sea" AND number = "l6" </s>