CREATE TABLE table_71847 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" TEXT)

What is the Point of Chassis of Lancia d50 in 1954
SELECT "Points" FROM table_71847 WHERE "Chassis" = 'lancia d50' AND "Year" = '1954'
SELECT "Points" FROM "table_71847" WHERE "Chassis" = 'lancia d50' AND "Year" = '1954'