CREATE TABLE table_39729 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

How many entrants have a mercedes fo 108w 2.4l v8 engine and over 0 points?
SELECT COUNT("Year") FROM table_39729 WHERE "Engine" = 'mercedes fo 108w 2.4l v8' AND "Points" > '0'
SELECT COUNT("Year") FROM "table_39729" WHERE "Engine" = 'mercedes fo 108w 2.4l v8' AND "Points" > '0'