CREATE TABLE table_15127 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

Name the total number of points for beta team march 1975 and chassis of march 751
SELECT COUNT("Points") FROM table_15127 WHERE "Entrant" = 'beta team march' AND "Year" = '1975' AND "Chassis" = 'march 751'
SELECT COUNT("Points") FROM "table_15127" WHERE "Chassis" = 'march 751' AND "Entrant" = 'beta team march' AND "Year" = '1975'