What is the highest production code?
CREATE TABLE table_26448179_4 (production_code INTEGER)
SELECT MAX(production_code) FROM table_26448179_4
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26448179_4 (production_code INTEGER) Question: What is the highest production code? [/INST] SELECT MAX(production_code) FROM table_26448179_4 </s>