CREATE TABLE table_name_65 (points INT, entrant VARCHAR, year VARCHAR)

What is the number of points for the Entrant of escuderia bandeirantes earlier than 1952?
SELECT SUM(points) FROM table_name_65 WHERE entrant = "escuderia bandeirantes" AND year < 1952
SELECT SUM("points") FROM "table_name_65" WHERE "entrant" = "escuderia bandeirantes" AND "year" < 1952