Name the number of complement for 4th hanoverian brigade
CREATE TABLE table_11793221_4 (complement VARCHAR, unit VARCHAR)
SELECT COUNT(complement) FROM table_11793221_4 WHERE unit = "4th Hanoverian Brigade"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_11793221_4 (complement VARCHAR, unit VARCHAR) Question: Name the number of complement for 4th hanoverian brigade [/INST] SELECT COUNT(complement) FROM table_11793221_4 WHERE unit = "4th Hanoverian Brigade" </s>