What is the average grid for Clay Regazzoni?
CREATE TABLE table_name_29 (grid INTEGER, driver VARCHAR)
SELECT AVG(grid) FROM table_name_29 WHERE driver = "clay regazzoni"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_29 (grid INTEGER, driver VARCHAR) Question: What is the average grid for Clay Regazzoni? [/INST] SELECT AVG(grid) FROM table_name_29 WHERE driver = "clay regazzoni" </s>