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_25 (time INTEGER, stage VARCHAR, year VARCHAR)
### Question:
What is the total amount of time for years prior to 2013 when speed option is the stage?
### Answer:
SELECT SUM(time) FROM table_name_25 WHERE stage = "speed option" AND year < 2013