How many insurgents are there when the total per period is 156?
CREATE TABLE table_21636599_2 (insurgents VARCHAR, total_per_period VARCHAR)
SELECT insurgents FROM table_21636599_2 WHERE total_per_period = 156
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21636599_2 (insurgents VARCHAR, total_per_period VARCHAR) Question: How many insurgents are there when the total per period is 156? [/INST] SELECT insurgents FROM table_21636599_2 WHERE total_per_period = 156 </s>