What reactor type that has a commercial operation of —, and a tianwan-7 unit?
CREATE TABLE table_name_25 (reactor_type VARCHAR, commercial_operation VARCHAR, unit VARCHAR)
SELECT reactor_type FROM table_name_25 WHERE commercial_operation = "—" AND unit = "tianwan-7"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_25 (reactor_type VARCHAR, commercial_operation VARCHAR, unit VARCHAR) Question: What reactor type that has a commercial operation of —, and a tianwan-7 unit? [/INST] SELECT reactor_type FROM table_name_25 WHERE commercial_operation = "—" AND unit = "tianwan-7" </s>