Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_11964047_9 (date VARCHAR, visitor VARCHAR, record VARCHAR)
### Question:
 what's the date where visitor is phoenix suns and record is 31–30
### Answer:
SELECT date FROM table_11964047_9 WHERE visitor = "Phoenix Suns" AND record = "31–30"