What 1976 has a 1978 of grand slam tournaments?
CREATE TABLE table_name_57 (Id VARCHAR)
SELECT 1976 FROM table_name_57 WHERE 1978 = "grand slam tournaments"
### Context: CREATE TABLE table_name_57 (Id VARCHAR) ### Question: What 1976 has a 1978 of grand slam tournaments? ### Answer: SELECT 1976 FROM table_name_57 WHERE 1978 = "grand slam tournaments"