What date has boston as the visitor?
CREATE TABLE table_name_21 (date VARCHAR, visitor VARCHAR)
SELECT date FROM table_name_21 WHERE visitor = "boston"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_21 (date VARCHAR, visitor VARCHAR) Question: What date has boston as the visitor? [/INST] SELECT date FROM table_name_21 WHERE visitor = "boston" </s>