CREATE TABLE table_name_10 (goals_conceded INT, points VARCHAR, lost VARCHAR)

What is the total of Goals Conceded that has Points smaller than 21 and a Lost thats smaller than 8?
SELECT SUM(goals_conceded) FROM table_name_10 WHERE points < 21 AND lost < 8
SELECT SUM("goals_conceded") FROM "table_name_10" WHERE "lost" < 8 AND "points" < 21