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_57 (home__2nd_leg_ VARCHAR)
### Question:
What was the score on the first leg when gimnasia de mendoza played at home for the second leg?
### Answer:
SELECT 1 AS st_leg FROM table_name_57 WHERE home__2nd_leg_ = "gimnasia de mendoza"