In 1994 what tournament held a ATP masters series
CREATE TABLE table_name_38 (tournament VARCHAR)
SELECT 1994 FROM table_name_38 WHERE tournament = "atp masters series"
### Context: CREATE TABLE table_name_38 (tournament VARCHAR) ### Question: In 1994 what tournament held a ATP masters series ### Answer: SELECT 1994 FROM table_name_38 WHERE tournament = "atp masters series"