What is the tournament that had Grand Slam Tournaments in 1976?
CREATE TABLE table_name_13 (tournament VARCHAR)
SELECT tournament FROM table_name_13 WHERE 1976 = "grand slam tournaments"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_13 (tournament VARCHAR) Question: What is the tournament that had Grand Slam Tournaments in 1976? [/INST] SELECT tournament FROM table_name_13 WHERE 1976 = "grand slam tournaments" </s>