CREATE TABLE table_name_53 (wins INT, percent VARCHAR, teams VARCHAR)

what is the average wins when percent is more than 0.4 and teams is chargers~?
SELECT AVG(wins) FROM table_name_53 WHERE percent > 0.4 AND teams = "chargers~"
SELECT AVG("wins") FROM "table_name_53" WHERE "chargers~" = "teams" AND "percent" > 0.4