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"
### Context: CREATE TABLE table_23944006_4 (surface VARCHAR, score VARCHAR) ### Question: Name the number of surfaces for  4-6, 2-6 ### Answer: SELECT COUNT(surface) FROM table_23944006_4 WHERE score = "4-6, 2-6"