Name the number of year for mark martin
CREATE TABLE table_23015396_1 (year VARCHAR, driver VARCHAR)
SELECT COUNT(year) FROM table_23015396_1 WHERE driver = "Mark Martin"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23015396_1 (year VARCHAR, driver VARCHAR) Question: Name the number of year for mark martin [/INST] SELECT COUNT(year) FROM table_23015396_1 WHERE driver = "Mark Martin" </s>