What is the average number of laps for the driver Piero Taruffi?
CREATE TABLE table_name_50 (laps INTEGER, driver VARCHAR)
SELECT AVG(laps) FROM table_name_50 WHERE driver = "piero taruffi"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_50 (laps INTEGER, driver VARCHAR) Question: What is the average number of laps for the driver Piero Taruffi? [/INST] SELECT AVG(laps) FROM table_name_50 WHERE driver = "piero taruffi" </s>