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_6 (year INTEGER, city VARCHAR)
### Question:
How many years did he play in santiago de compostela?
### Answer:
SELECT SUM(year) FROM table_name_6 WHERE city = "santiago de compostela"