CREATE TABLE table_67407 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

What is the lowest amount of points held by the Epperly Indy roadster in 1959?
SELECT MIN("Points") FROM table_67407 WHERE "Chassis" = 'epperly indy roadster' AND "Year" = '1959'
SELECT MIN("Points") FROM "table_67407" WHERE "Chassis" = 'epperly indy roadster' AND "Year" = '1959'