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_50 (style VARCHAR, first_performance VARCHAR)
### Question:
What is the Style of the First Performance of Billy Elliot on 15 November 2007?
### Answer:
SELECT style FROM table_name_50 WHERE first_performance = "15 november 2007"