When was the swiss grand prix?
CREATE TABLE table_name_91 (date VARCHAR, race VARCHAR)
SELECT date FROM table_name_91 WHERE race = "swiss grand prix"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_91 (date VARCHAR, race VARCHAR) Question: When was the swiss grand prix? [/INST] SELECT date FROM table_name_91 WHERE race = "swiss grand prix" </s>