CREATE TABLE table_14464 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

What is the average Points when the engine was a climax straight-4 earlier than 1958?
SELECT AVG("Points") FROM table_14464 WHERE "Engine" = 'climax straight-4' AND "Year" < '1958'
SELECT AVG("Points") FROM "table_14464" WHERE "Engine" = 'climax straight-4' AND "Year" < '1958'