What competition had its first match on December 20, 2007?
CREATE TABLE table_name_15 (competition VARCHAR, first_match VARCHAR)
SELECT competition FROM table_name_15 WHERE first_match = "december 20, 2007"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_15 (competition VARCHAR, first_match VARCHAR) Question: What competition had its first match on December 20, 2007? [/INST] SELECT competition FROM table_name_15 WHERE first_match = "december 20, 2007" </s>