What is the 1993 value of the 1996 atp masters series?
CREATE TABLE table_name_15 (Id VARCHAR)
SELECT 1993 FROM table_name_15 WHERE 1996 = "atp masters series"
### Context: CREATE TABLE table_name_15 (Id VARCHAR) ### Question: What is the 1993 value of the 1996 atp masters series? ### Answer: SELECT 1993 FROM table_name_15 WHERE 1996 = "atp masters series"