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_name_31 (date VARCHAR, runner_up VARCHAR)
### Question:
When was the match that had Shaun Murphy as runner-up?
### Answer:
SELECT date FROM table_name_31 WHERE runner_up = "shaun murphy"