CREATE TABLE table_57186 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" TEXT)

How many points were there before 1979 with a ferrari 312b2 chassis?
SELECT "Points" FROM table_57186 WHERE "Year" < '1979' AND "Chassis" = 'ferrari 312b2'
SELECT "Points" FROM "table_57186" WHERE "Chassis" = 'ferrari 312b2' AND "Year" < '1979'