CREATE TABLE table_name_75 (position INT, points_1 VARCHAR, goals_against VARCHAR)

What is the lowest Position, when Points 1 is '39', and when Goals Against is greater than 49?
SELECT MIN(position) FROM table_name_75 WHERE points_1 = "39" AND goals_against > 49
SELECT MIN("position") FROM "table_name_75" WHERE "39" = "points_1" AND "goals_against" > 49