Name the total number of previous br number for number 21
CREATE TABLE table_2079664_3 (previous_br_no VARCHAR, number VARCHAR)
SELECT COUNT(previous_br_no) FROM table_2079664_3 WHERE number = "21"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2079664_3 (previous_br_no VARCHAR, number VARCHAR) Question: Name the total number of previous br number for number 21 [/INST] SELECT COUNT(previous_br_no) FROM table_2079664_3 WHERE number = "21" </s>