CREATE TABLE table_name_21 (lost INT, difference VARCHAR, played VARCHAR)

What is the average Lost when the difference is - 3, and a Played is less than 10?
SELECT AVG(lost) FROM table_name_21 WHERE difference = "- 3" AND played < 10
SELECT AVG("lost") FROM "table_name_21" WHERE "- 3" = "difference" AND "played" < 10