CREATE TABLE table_79749 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

What was the total amount of points in 1978 with a Chassis of arrows fa1?
SELECT SUM("Points") FROM table_79749 WHERE "Year" = '1978' AND "Chassis" = 'arrows fa1'
SELECT SUM("Points") FROM "table_79749" WHERE "Chassis" = 'arrows fa1' AND "Year" = '1978'