CREATE TABLE table_name_53 (engine_s_ VARCHAR2, points VARCHAR2, year VARCHAR2)

Which engine has more than 0 points and a year before 1984?
SELECT engine_s_ FROM table_name_53 WHERE points > 0 AND year < 1984
SELECT "engine_s_" FROM "table_name_53" WHERE "points" > 0 AND "year" < 1984