CREATE TABLE table_name_67 (draws INT, total VARCHAR, goal_difference VARCHAR)

What is the average number of draws that have a total of 1 and a goal difference of 2:0?
SELECT AVG(draws) FROM table_name_67 WHERE total = 1 AND goal_difference = "2:0"
SELECT AVG("draws") FROM "table_name_67" WHERE "2:0" = "goal_difference" AND "total" = 1