CREATE TABLE table_24684 ("No" FLOAT, "Driver" TEXT, "Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT)

What chasis did the maserati l6s have?
SELECT "Chassis" FROM table_24684 WHERE "Engine" = 'Maserati L6s'
SELECT "Chassis" FROM "table_24684" WHERE "Engine" = 'Maserati L6s'