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_63 (year VARCHAR, league VARCHAR)
### Question:
What years did the Nashville Metros have Usisl Indoor League?
### Answer:
SELECT year FROM table_name_63 WHERE league = "usisl indoor"