CREATE TABLE table_69945 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

What chassis had an entrant of G.A. Vandervell?
SELECT "Chassis" FROM table_69945 WHERE "Entrant" = 'g.a. vandervell'
SELECT "Chassis" FROM "table_69945" WHERE "Entrant" = 'g.a. vandervell'