What is the average number of laps when Gerhard Berger is the driver?
CREATE TABLE table_name_23 (laps INTEGER, driver VARCHAR)
SELECT AVG(laps) FROM table_name_23 WHERE driver = "gerhard berger"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_23 (laps INTEGER, driver VARCHAR) Question: What is the average number of laps when Gerhard Berger is the driver? [/INST] SELECT AVG(laps) FROM table_name_23 WHERE driver = "gerhard berger" </s>