CREATE TABLE table_70586 ("Year" FLOAT, "Team" CLOB, "Chassis" CLOB, "Engine" CLOB, "Rank" CLOB, "Points" FLOAT)

What is the Engine used before 1983?
SELECT "Engine" FROM table_70586 WHERE "Year" < '1983'
SELECT "Engine" FROM "table_70586" WHERE "Year" < '1983'