Which authority had a role of 651?
CREATE TABLE table_name_18 (authority VARCHAR, roll VARCHAR)
SELECT authority FROM table_name_18 WHERE roll = 651
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_18 (authority VARCHAR, roll VARCHAR) Question: Which authority had a role of 651? [/INST] SELECT authority FROM table_name_18 WHERE roll = 651 </s>