List the names of technicians who have not been assigned to repair machines.
CREATE TABLE technician (Name VARCHAR, technician_id VARCHAR); CREATE TABLE repair_assignment (Name VARCHAR, technician_id VARCHAR)
SELECT Name FROM technician WHERE NOT technician_id IN (SELECT technician_id FROM repair_assignment)
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE technician (Name VARCHAR, technician_id VARCHAR); CREATE TABLE repair_assignment (Name VARCHAR, technician_id VARCHAR) Question: List the names of technicians who have not been assigned to repair machines. [/INST] SELECT Name FROM technician WHERE NOT technician_id IN (SELECT technician_id FROM repair_assignment) </s>