CREATE TABLE table_51227 ("Entrant" CLOB, "Constructor" CLOB, "Chassis" CLOB, "Engine" CLOB, "Driver" CLOB, "Rounds" CLOB)

What is the name of the Chassis of Diver Maria Teresa de Filippis in round 1?
SELECT "Chassis" FROM table_51227 WHERE "Rounds" = '1' AND "Driver" = 'maria teresa de filippis'
SELECT "Chassis" FROM "table_51227" WHERE "Driver" = 'maria teresa de filippis' AND "Rounds" = '1'