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_32 (goals_for INTEGER, goals_against VARCHAR, ties VARCHAR)
### Question:
what is the least number of goals for when the goals against is 70 and the ties less than 0?
### Answer:
SELECT MIN(goals_for) FROM table_name_32 WHERE goals_against = 70 AND ties < 0