What is the total launch failures when there are 4 launches, and the not usable is greater than 0?
CREATE TABLE table_name_73 (launch_failures INTEGER, launched VARCHAR, not_usable VARCHAR)
SELECT SUM(launch_failures) FROM table_name_73 WHERE launched = 4 AND not_usable > 0
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_73 (launch_failures INTEGER, launched VARCHAR, not_usable VARCHAR) Question: What is the total launch failures when there are 4 launches, and the not usable is greater than 0? [/INST] SELECT SUM(launch_failures) FROM table_name_73 WHERE launched = 4 AND not_usable > 0 </s>