CREATE TABLE table_name_30 (car__number INT, points VARCHAR, laps VARCHAR)

What is the sum of car numbers with less than 126 points and 147 laps?
SELECT SUM(car__number) FROM table_name_30 WHERE points < 126 AND laps = 147
SELECT SUM("car__number") FROM "table_name_30" WHERE "laps" = 147 AND "points" < 126