What is the average year for Maserati Straight-4 Engines?
CREATE TABLE table_name_86 (year INTEGER, engine VARCHAR)
SELECT AVG(year) FROM table_name_86 WHERE engine = "maserati straight-4"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_86 (year INTEGER, engine VARCHAR) Question: What is the average year for Maserati Straight-4 Engines? [/INST] SELECT AVG(year) FROM table_name_86 WHERE engine = "maserati straight-4" </s>