What was the average grid at the time Vanwall was constructor and there were 17 laps?
CREATE TABLE table_name_3 (grid INTEGER, constructor VARCHAR, laps VARCHAR)
SELECT AVG(grid) FROM table_name_3 WHERE constructor = "vanwall" AND laps = 17
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_3 (grid INTEGER, constructor VARCHAR, laps VARCHAR) Question: What was the average grid at the time Vanwall was constructor and there were 17 laps? [/INST] SELECT AVG(grid) FROM table_name_3 WHERE constructor = "vanwall" AND laps = 17 </s>