What is the production code for the number 5 series ? 
CREATE TABLE table_26801821_1 (production_code VARCHAR, no_in_series VARCHAR)
SELECT production_code FROM table_26801821_1 WHERE no_in_series = 5
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26801821_1 (production_code VARCHAR, no_in_series VARCHAR) Question: What is the production code for the number 5 series ?  [/INST] SELECT production_code FROM table_26801821_1 WHERE no_in_series = 5 </s>