How many years have a Surface of clay, and a Score of 4 : 0?
CREATE TABLE table_name_45 (year VARCHAR, surface VARCHAR, score VARCHAR)
SELECT COUNT(year) FROM table_name_45 WHERE surface = "clay" AND score = "4 : 0"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_45 (year VARCHAR, surface VARCHAR, score VARCHAR) Question: How many years have a Surface of clay, and a Score of 4 : 0? [/INST] SELECT COUNT(year) FROM table_name_45 WHERE surface = "clay" AND score = "4 : 0" </s>