Name the number of surfaces for  4-6, 2-6
CREATE TABLE table_23944006_4 (surface VARCHAR, score VARCHAR)
SELECT COUNT(surface) FROM table_23944006_4 WHERE score = "4-6, 2-6"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23944006_4 (surface VARCHAR, score VARCHAR) Question: Name the number of surfaces for  4-6, 2-6 [/INST] SELECT COUNT(surface) FROM table_23944006_4 WHERE score = "4-6, 2-6" </s>