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_13 (league INTEGER, club VARCHAR, play_offs VARCHAR)
### Question:
Which of the lowest leagues had Aldershot town as a club when the play-offs number was less than 0?
### Answer:
SELECT MIN(league) FROM table_name_13 WHERE club = "aldershot town" AND play_offs < 0