What is the 1999 answer when 1998 is Grand Slam Tournaments?
CREATE TABLE table_name_80 (Id VARCHAR)
SELECT 1999 FROM table_name_80 WHERE 1998 = "grand slam tournaments"
### Context: CREATE TABLE table_name_80 (Id VARCHAR) ### Question: What is the 1999 answer when 1998 is Grand Slam Tournaments? ### Answer: SELECT 1999 FROM table_name_80 WHERE 1998 = "grand slam tournaments"