What is the average grid for jo siffert?
CREATE TABLE table_name_57 (grid INTEGER, driver VARCHAR)
SELECT AVG(grid) FROM table_name_57 WHERE driver = "jo siffert"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_57 (grid INTEGER, driver VARCHAR) Question: What is the average grid for jo siffert? [/INST] SELECT AVG(grid) FROM table_name_57 WHERE driver = "jo siffert" </s>