CREATE TABLE table_name_45 (drawn INT, goal_difference VARCHAR, goals_against VARCHAR)

What is the fewest draws for teams with a 0 goal difference and under 55 goals against?
SELECT MIN(drawn) FROM table_name_45 WHERE goal_difference = "0" AND goals_against < 55
SELECT MIN("drawn") FROM "table_name_45" WHERE "0" = "goal_difference" AND "goals_against" < 55