How many seasons was clay regazzoni the driver?
CREATE TABLE table_10753917_1 (season VARCHAR, driver VARCHAR)
SELECT COUNT(season) FROM table_10753917_1 WHERE driver = "Clay Regazzoni"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_10753917_1 (season VARCHAR, driver VARCHAR) Question: How many seasons was clay regazzoni the driver? [/INST] SELECT COUNT(season) FROM table_10753917_1 WHERE driver = "Clay Regazzoni" </s>