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_15 (score_final INTEGER, competition_description VARCHAR, year VARCHAR)
### Question:
What is the lowest final score of the American Cup competition before 2009?
### Answer:
SELECT MIN(score_final) FROM table_name_15 WHERE competition_description = "american cup" AND year < 2009