What date was the Piston's record at 23-47?
CREATE TABLE table_22822559_8 (date VARCHAR, record VARCHAR)
SELECT date FROM table_22822559_8 WHERE record = "23-47"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_22822559_8 (date VARCHAR, record VARCHAR) Question: What date was the Piston's record at 23-47? [/INST] SELECT date FROM table_22822559_8 WHERE record = "23-47" </s>