CREATE TABLE table_70777 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

What is the fewest number of points scored by Goulds' Garage (Bristol), engines of Maserati Straight-6, in years before 1956?
SELECT MIN("Points") FROM table_70777 WHERE "Entrant" = 'goulds'' garage (bristol)' AND "Engine" = 'maserati straight-6' AND "Year" < '1956'
SELECT MIN("Points") FROM "table_70777" WHERE "Engine" = 'maserati straight-6' AND "Entrant" = 'goulds\' garage (bristol)' AND "Year" < '1956'