CREATE TABLE table_name_32 (goals_for INT, goals_against VARCHAR, ties VARCHAR)

what is the least number of goals for when the goals against is 70 and the ties less than 0?
SELECT MIN(goals_for) FROM table_name_32 WHERE goals_against = 70 AND ties < 0
SELECT MIN("goals_for") FROM "table_name_32" WHERE "goals_against" = 70 AND "ties" < 0