CREATE TABLE table_56371 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Pts." FLOAT)

before 1995 waht is the aveage pts for a mclaren mp4/10b chassis
SELECT AVG("Pts.") FROM table_56371 WHERE "Chassis" = 'mclaren mp4/10b' AND "Year" < '1995'
SELECT AVG("Pts.") FROM "table_56371" WHERE "Chassis" = 'mclaren mp4/10b' AND "Year" < '1995'