CREATE TABLE table_14935 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

what's the earliest year that there was a cosworth v8 engine and 12 points?
SELECT MIN("Year") FROM table_14935 WHERE "Engine" = 'cosworth v8' AND "Points" = '12'
SELECT MIN("Year") FROM "table_14935" WHERE "Engine" = 'cosworth v8' AND "Points" = '12'