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_90 (home__1st_leg_ VARCHAR, aggregate VARCHAR)
### Question:
What was the first leg home that had a total aggregate of 3-1?
### Answer:
SELECT home__1st_leg_ FROM table_name_90 WHERE aggregate = "3-1"