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_81 (first_match VARCHAR, last_match VARCHAR)
### Question:
On what date was the first match for the competition that ended its last match on December 16, 2007?
### Answer:
SELECT first_match FROM table_name_81 WHERE last_match = "december 16, 2007"